Aliso Viejo Weather

Town • Greater Los Angeles

Aliso Viejo is a Inland Empire destination for comparing Inland Empire heat, wind, cloud, and mountain-gap influences.

62°
😊
Comfort Score
91(A-)
Excellent
Weather updated October 2, 2026 at 5:07 AM PDT

Aliso Viejo weather at a glance

Aliso Viejo is a town at 489 feet in Greater Los Angeles. Aliso Viejo is a Inland Empire destination for comparing Inland Empire heat, wind, cloud, and mountain-gap influences. Notable features include town, inland-empire, inland-heat, and wind.

Current conditions are 62°F, feeling like 64°F, with 92% humidity, winds near 4 mph, 63% cloud cover, and a 0% chance of precipitation. Mild and humid and cloudy.

The location-specific climate baseline shows an average daily high of 73°F and an average low of 55°F, with about 9.3 hours of sunshine per day and 1.2 hours of morning fog per day. Expected annual precipitation is approximately 7.2 inches.

Plan your week

10-Day Forecast

Drag or swipe to browse
  1. Today
    Oct 2
    98°62°
    Comfort
    58
    1%
    Precip 0 in
  2. Sat
    Oct 3
    103°76°
    Comfort
    58
    0%
    Precip 0 in
  3. Sun
    Oct 4
    98°82°
    Comfort
    57
    0%
    Precip 0 in
  4. Mon
    Oct 5
    98°84°
    Comfort
    56
    0%
    Precip 0 in
  5. Tue
    Oct 6
    93°77°
    Comfort
    65
    0%
    Precip 0 in
  6. Wed
    Oct 7
    93°77°
    Comfort
    65
    0%
    Precip 0 in
  7. Thu
    Oct 8
    91°78°
    Comfort
    69
    1%
    Precip 0 in
  8. Fri
    Oct 9
    88°75°
    Comfort
    79
    0%
    Precip 0 in
  9. Sat
    Oct 10
    86°72°
    Comfort
    85
    0%
    Precip 0 in
  10. Best day
    Sun
    Oct 11
    85°71°
    Comfort
    88
    2%
    Precip 0 in

Hour by hour

Hourly Forecast

Drag or swipe to browse
  1. Today
    Now
    64°
    Comfort
    96
    0%
    0 in
  2. Sunrise6:46 AM
  3. Today
    7 AM
    64°
    Comfort
    96
    0%
    0 in
  4. Today
    8 AM
    69°
    Comfort
    100
    0%
    0 in
  5. Today
    9 AM
    78°
    Comfort
    97
    0%
    0 in
  6. Today
    10 AM
    86°
    Comfort
    83
    0%
    0 in
  7. Today
    11 AM
    94°
    Comfort
    61
    0%
    0 in
  8. Today
    12 PM
    96°
    Comfort
    58
    0%
    0 in
  9. Today
    1 PM
    98°
    Comfort
    58
    0%
    0 in
  10. Today
    2 PM
    97°
    Comfort
    59
    0%
    0 in
  11. Today
    3 PM
    97°
    Comfort
    61
    0%
    0 in
  12. Today
    4 PM
    96°
    Comfort
    67
    0%
    0 in
  13. Today
    5 PM
    95°
    Comfort
    70
    0%
    0 in
  14. Today
    6 PM
    91°
    Comfort
    78
    1%
    0 in
  15. Sunset6:33 PM
  16. Today
    7 PM
    85°
    Comfort
    89
    1%
    0 in
  17. Today
    8 PM
    82°
    Comfort
    96
    1%
    0 in
  18. Today
    9 PM
    80°
    Comfort
    97
    1%
    0 in
  19. Today
    10 PM
    81°
    Comfort
    98
    1%
    0 in
  20. Today
    11 PM
    79°
    Comfort
    99
    0%
    0 in
  21. Sat
    12 AM
    80°
    Comfort
    99
    0%
    0 in
  22. Sat
    1 AM
    79°
    Comfort
    100
    0%
    0 in
  23. Sat
    2 AM
    78°
    Comfort
    100
    0%
    0 in
  24. Sat
    3 AM
    76°
    Comfort
    100
    0%
    0 in
  25. Sat
    4 AM
    77°
    Comfort
    100
    0%
    0 in
  26. Sat
    5 AM
    78°
    Comfort
    99
    0%
    0 in
  27. Sat
    6 AM
    77°
    Comfort
    93
    0%
    0 in
  28. Sunrise6:46 AM
  29. Sat
    7 AM
    77°
    Comfort
    95
    0%
    0 in
  30. Sat
    8 AM
    80°
    Comfort
    97
    0%
    0 in
  31. Sat
    9 AM
    91°
    Comfort
    83
    0%
    0 in
  32. Sat
    10 AM
    97°
    Comfort
    72
    0%
    0 in
  33. Sat
    11 AM
    99°
    Comfort
    64
    0%
    0 in
  34. Sat
    12 PM
    101°
    Comfort
    59
    0%
    0 in
  35. Sat
    1 PM
    103°
    Comfort
    55
    0%
    0 in
  36. Sat
    2 PM
    101°
    Comfort
    58
    0%
    0 in
  37. Sat
    3 PM
    99°
    Comfort
    62
    0%
    0 in
  38. Sat
    4 PM
    98°
    Comfort
    67
    0%
    0 in
  39. Sat
    5 PM
    96°
    Comfort
    70
    0%
    0 in
  40. Sat
    6 PM
    92°
    Comfort
    78
    0%
    0 in
  41. Sunset6:32 PM
  42. Sat
    7 PM
    86°
    Comfort
    89
    0%
    0 in
  43. Sat
    8 PM
    82°
    Comfort
    96
    0%
    0 in
  44. Sat
    9 PM
    82°
    Comfort
    97
    0%
    0 in
  45. Sat
    10 PM
    82°
    Comfort
    96
    0%
    0 in
  46. Sat
    11 PM
    84°
    Comfort
    95
    0%
    0 in
  47. Sun
    12 AM
    85°
    Comfort
    93
    0%
    0 in
  48. Sun
    1 AM
    84°
    Comfort
    95
    0%
    0 in
  49. Sun
    2 AM
    83°
    Comfort
    96
    0%
    0 in
  50. Sun
    3 AM
    83°
    Comfort
    96
    0%
    0 in
  51. Sun
    4 AM
    82°
    Comfort
    97
    0%
    0 in
  52. Sun
    5 AM
    82°
    Comfort
    97
    0%
    0 in

Current Conditions

Temperature
62°F
Feels like 64°F
Humidity
92%
Dew point 60°F
Wind
4 mph
NW • Gusts 4 mph
Cloud Cover
63%
Low clouds
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Thermal92
Wind100
Sky Comfort58
Moisture98
Precipitation100

Weather Maps

About the weather maps for Aliso Viejo

Each preview is centered on Aliso Viejo, with the red pin marking its approximate location. Satellite imagery provides cloud context, radar shows nearby precipitation, and the fog view shows the marine-layer or low-cloud field when that regional layer is available.

These images cover a wider area than the point forecast, so a nearby cloud or rain band may not be directly over Aliso Viejo. Open a preview for the interactive map and its latest timestamp before making a weather-sensitive decision.

Nearby Temperature Comparison

Conditions at nearby Greater Los Angeles destinations

Tip: Los Angeles temps can vary 20-30°F within a short distance due to microclimates.

Climate Dashboard

Current conditions vs. HRRR rolling destination baseline

Today's High vs Normal
98°Fforecast
16° above normal
Normal: 82°F
Rainfall Year-to-Date
3.6"
14% below average
30-yr avg: 4.2"
Sunny Days
28last 28 days
1 more than baseline
Typical: 27
Foggy Days
1last 28 days
vs 6 typical
Clearer than usual
Avg Wind Speed
8.3 mphlast 28 days
Typical conditions
Typical: 7.7 mph
Comfort Score
9128-day avg
On par with typical
Recent baseline: 91
What the Aliso Viejo climate comparisons mean

These cards compare recent conditions at Aliso Viejo with the available local baseline. Temperature and year-to-date rainfall use long-term normals when available; fog, sunshine, wind, and comfort use the matching recent or modeled baseline identified on each card.

Positive and negative differences describe how Aliso Viejo departs from its own usual pattern. They should not be read as a direct comparison with another city or as a forecast beyond the period shown.

Historical Climate Data

Long-term weather patterns and climate data

Data sources: NOAA HRRR rolling destination baseline for recent temperature, precipitation, fog, cloud, wind, humidity, and sunshine signals.

Climate Overview

Based on HRRR rolling destination baseline (2024-09-01 to 2026-08-31)

89
Avg Comfort
73.4°
Avg High
54.7°
Avg Low
91%
Perfect Days
☀️ Avg Sunshine9.3h/day
🌫️ Avg Fog1.2h/day
💧 Avg Annual Rain7.2"
🌧️ Rainy Days/yr23 (6%)
🌫️ Foggy Days/yr48
✨ Perfect Days (80+)664

🌟 Best Months to Visit

1. May90
71.4° / 55.8° · ☀️ 10.4h
1 foggy days · 0 rainy days
2. July83
78.7° / 61.9° · ☀️ 11.5h
6 foggy days · 0 rainy days
3. April82
68.8° / 51.2° · ☀️ 10.3h
1 foggy days · 4 rainy days

⚠️ Challenging Months

1. December62
67.3° / 48.3° · ☀️ 6.7h
💧 1" · 2 rainy days · 9 foggy days
2. February68
68.5° / 49° · ☀️ 7.5h
💧 2.3" · 5 rainy days · 4 foggy days
3. March72
71° / 51.3° · ☀️ 9.2h
💧 0.9" · 5 rainy days · 4 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
September 20248781.6° / 60.4°9.9h8d0.01"26
October 20249177.8° / 55.9°9.2h9d0"31
November 20249170° / 47.9°7.8h0d0.01"29
December 20248666.7° / 46.4°7h9d0"25
January 20258666.6° / 44.7°8.2h1d0.39"27
February 20258467.3° / 48.1°7.3h6d2.25"21
March 20258463.6° / 47.2°8.4h3d1.89"22
April 20259367.1° / 49.6°10.4h1d0.24"28
May 20259272.3° / 55.8°10.2h0d0.02"29
June 20259174.8° / 59.2°11h7d0.16"30
July 20259376° / 60.3°11.4h10d0"31
August 20259182° / 62.9°10.4h6d0.01"31
September 20259280.9° / 63°9.8h3d0.08"29
October 20259075.3° / 55.1°8.9h3d0.9"29
November 20258369.9° / 52.8°7.1h5d3.07"26
December 20258267.7° / 50°6.4h9d2.12"20
January 20268669.7° / 50°7.4h1d1"25
February 20268569.8° / 50°7.6h2d2.22"23
March 20269178.4° / 55.3°9.9h5d0.03"30
April 20269470.5° / 52.7°10.2h0d0.36"29
May 20269470.5° / 55.7°10.6h1d0.01"31
June 20269473.8° / 59.7°11.3h3d0"30
July 20269281.4° / 63.5°11.5h2d0.01"31
August 20269185.9° / 66°10.8h1d0"31
Last updated: 9/2/2026

Climate Trends

Average Temperature by Month

90°F78°F65°F53°F41°FSep '24Oct '24Nov '24Dec '24Jan '25Feb '25Mar '25Apr '25May '25Jun '25Jul '25Aug '25Sep '25Oct '25Nov '25Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26Jul '26Aug '26
Average High
Average Low
About the Aliso Viejo climate charts

The temperature chart compares average monthly highs and lows at Aliso Viejo, showing both the seasonal cycle and the typical day-to-night range. The comfort chart summarizes how often the combined weather pattern is favorable rather than judging temperature alone.

Precipitation shows the total recorded or modeled rainfall for each month at Aliso Viejo. Sunshine compares average bright-sky hours with the daylight available, while fog shows the average number of morning fog or low-cloud hours per day. Switch between the chart tabs to compare the same months across each measure.

Hourly Temperature, Fog, Wind, Cloud Cover, and Solar Radiation Patterns

Average local hour by month from 2016-07-01 to 2026-06-30

How to read the temperature heatmap for Aliso Viejo

This heatmap shows how average temperature at Aliso Viejo changes by hour and month. Read left to right for the seasons and top to bottom for the time of day; warmer colors identify the usual afternoon peaks and cooler colors show overnight and winter lows.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the fog heatmap for Aliso Viejo

This heatmap shows when fog or low cloud is most likely at Aliso Viejo. Darker cells mark month-and-hour combinations with a stronger historical fog signal, which helps separate overnight or morning fog from cloud that tends to linger into the afternoon.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the wind heatmap for Aliso Viejo

This heatmap shows the typical hourly wind pattern at Aliso Viejo through the year. It makes recurring afternoon wind, calmer overnight periods, and seasonal changes easier to compare than a single daily wind value.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the cloud cover heatmap for Aliso Viejo

This heatmap shows average cloud cover at Aliso Viejo for every month and hour. Use it to see whether cloudiness is mainly an overnight and morning pattern or commonly persists during the part of the day you plan to visit.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

How to read the solar radiation heatmap for Aliso Viejo

This heatmap shows the average solar radiation reaching Aliso Viejo by month and hour. Brighter cells indicate the strongest typical sun, while muted cells can reflect nighttime, shorter winter days, cloud cover, smoke, or terrain shading.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage; the red marker shows the current month and hour.

Loading interactive climate heatmaps…

Location Details

📍
Coordinates
33.5792, -117.7289
⛰️
Elevation
489 ft
🏷️
Type
Town
🏷️
Tags
#town#inland-empire#inland-heat#wind
Map
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Frequently Asked Questions

Everything you need to know about weather and visiting Aliso Viejo

What is the weather at Aliso Viejo right now?

Current conditions at Aliso Viejo are 62°F, feeling like 64°F, with 92% humidity, winds near 4 mph, 63% cloud cover, and a 0% chance of precipitation. Mild and humid and cloudy

What temperatures are typical at Aliso Viejo?

The location-specific record for 2024-09-01 through 2026-08-31 shows an average daily high of 73°F and an average low of 55°F at Aliso Viejo. These are averages across the year; the monthly climate table on this page shows the warmer and cooler seasons separately.

How much rain does Aliso Viejo get?

The location-specific climate baseline estimates about 7.2 inches of precipitation and 23 days with measurable rain in a typical year at Aliso Viejo. The monthly breakdown shows when that rain is most likely.

How often is Aliso Viejo foggy?

Aliso Viejo averages about 1.2 hours of morning fog per day across the location-specific climate baseline, with approximately 48 foggy days in a typical year. Fog varies considerably by season, so check the monthly breakdown and current forecast for visit planning.

What are the best months to visit Aliso Viejo for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are April 2026 (71°F/53°F average high/low and a 94 comfort score), May 2026 (71°F/56°F average high/low and a 94 comfort score), and June 2026 (74°F/60°F average high/low and a 94 comfort score). “Best” depends on the activity, so use the monthly table for the exact tradeoffs.

What kind of destination is Aliso Viejo?

Aliso Viejo is a town at 489 feet. Aliso Viejo is a Inland Empire destination for comparing Inland Empire heat, wind, cloud, and mountain-gap influences. Notable features include town, inland-empire, inland-heat, and wind.

💡 Local Tip: Greater Los Angeles weather can change dramatically within short distances and throughout the day. Always check current conditions before visiting Aliso Viejo.