Lake Mathews Weather

TownGreater Los Angeles

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

72°
😊
Comfort Score
93(A-)
Excellent
Weather updated August 18, 2026 at 3:52 AM PDT

Lake Mathews weather at a glance

Lake Mathews is a town at 1,736 feet in Greater Los Angeles. Lake Mathews 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 72°F, feeling like 72°F, with 44% humidity, winds near 5 mph, 50% cloud cover, and a 0% chance of precipitation. Warm with some clouds.

The location-specific climate baseline shows an average daily high of 80°F and an average low of 55°F, with about 9.6 hours of sunshine per day and 0.5 hours of morning fog per day. Expected annual precipitation is approximately 4.5 inches.

Current Conditions

Temperature
72°F
Feels like 72°F
Humidity
44%
Wind
5 mph
NW • Gusts 5 mph
Cloud Cover
50%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Temperature100
Wind100
Night Sky50
Humidity100
Precipitation100

Hourly Forecast

Today

TimeTempComfortAQIWindPrecipConditions
Now72°93 (A-)4 mph0%🌤️ Mostly Sunny
5am69°100 (A)2 mph0%☀️ Sunny
6am68°100 (A)1 mph0%☀️ Sunny
7am69°86 (A-)1 mph0%☁️ Cloudy
8am76°96 (A)1 mph0%🌤️ Mostly Sunny
9am81°88 (A-)3 mph0%☀️ Sunny
10am87°77 (B)3 mph0%🌤️ Mostly Sunny
11am92°67 (C)5 mph0%🌤️ Mostly Sunny
12pm96°50 (C-)7 mph0%☁️ Cloudy
1pm98°50 (C-)8 mph0%☁️ Cloudy
2pm100°49 (D)10 mph0%☁️ Cloudy
3pm99°45 (D)13 mph0%☁️ Cloudy
How to read the Lake Mathews hourly chart

The hourly chart follows the next 48 forecast hours at Lake Mathews. Use the temperature view to see warming and cooling through the day, and the comfort view to see when the combined temperature, wind, clouds, precipitation, and air quality should feel most favorable.

The wind view compares sustained wind with stronger gusts at Lake Mathews. The AQI view uses the current observation for “Now” and modeled AQI-equivalent guidance for later hours when forecast smoke data is available.

Weather Maps

About the weather maps for Lake Mathews

Each preview is centered on Lake Mathews, 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 Lake Mathews. Open a preview for the interactive map and its latest timestamp before making a weather-sensitive decision.

7-Day Forecast

DayHigh/LowComfortPrecipConditions
Today🏆 Best100° / 68°75 (B)0%☀️ Sunny
Wed105° / 70°75 (B)0%☀️ Sunny
Thu102° / 71°75 (B)0%☀️ Sunny
Fri101° / 71°75 (B)1%☀️ Sunny
Sat101° / 70°75 (B)2%☀️ Sunny
Sun103° / 71°75 (B)1%☀️ Sunny
Mon102° / 70°75 (B)4%☀️ Sunny

Best day this week: Today (Comfort score: 75)

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
100°Fforecast
6° above normal
Normal: 94°F
Rainfall Year-to-Date
2.3"
9% below average
30-yr avg: 2.5"
Sunny Days
28last 28 days
Right on track
Typical: 28
Foggy Days
2last 28 days
vs 1 typical
Foggier than usual
Avg Wind Speed
10.2 mphlast 28 days
Typical conditions
Typical: 10.3 mph
Comfort Score
9528-day avg
5 pts above typical
Recent baseline: 90
What the Lake Mathews climate comparisons mean

These cards compare recent conditions at Lake Mathews 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 Lake Mathews 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 (2024-07-01 to 2026-06-30)

88
Avg Comfort
79.8°
Avg High
55.2°
Avg Low
88%
Perfect Days
☀️ Avg Sunshine9.6h/day
🌫️ Avg Fog0.5h/day
💧 Avg Annual Rain4.5"
🌧️ Rainy Days/yr22 (6%)
🌫️ Foggy Days/yr19
✨ Perfect Days (80+)641

🌟 Best Months to Visit

1. May85
79° / 55° · ☀️ 10.5h
3 foggy days · 1 rainy days
2. April84
73.5° / 50.8° · ☀️ 10.2h
1 foggy days · 3 rainy days
3. March82
75.3° / 51.9° · ☀️ 9.5h
1 foggy days · 3 rainy days

⚠️ Challenging Months

1. September67
89.2° / 63.8° · ☀️ 9.8h
💧 0.1" · 2 rainy days · 3 foggy days
2. August67
95.2° / 65.8° · ☀️ 11h
💧 0" · 1 rainy days · 1 foggy days
3. February75
71.3° / 49.4° · ☀️ 7.7h
💧 1.2" · 4 rainy days · 2 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
July 20248596.6° / 66.3°12.4h0d0"23
August 20248695.2° / 65.4°11.1h0d0"23
September 20248690.1° / 63.1°9.8h4d0.09"22
October 20248686.1° / 59.7°9.5h3d0"24
November 20248970.7° / 47.5°7.9h0d0"30
December 20248970.1° / 47.4°7.7h2d0"31
January 20258665.5° / 43.7°8.4h1d0.21"29
February 20258571° / 48.7°7.6h2d0.85"22
March 20258866.6° / 46.7°9h0d1.61"26
April 20259072° / 49.7°9.9h2d0.19"25
May 20258979.9° / 55.9°10h2d0.2"25
June 20259087.3° / 58.9°12.2h7d0.01"30
July 20259189.7° / 60.1°12.3h0d0"31
August 20258595.1° / 66.1°10.9h2d0.02"25
September 20259088.3° / 64.4°9.8h1d0.22"30
October 20259180.5° / 55.9°9.3h2d0.45"30
November 20258373.6° / 53°6.7h0d2.33"23
December 20258471.7° / 50.5°6.8h1d1.06"26
January 20268669.5° / 49.1°7.5h1d0.22"25
February 20268571.6° / 50.1°7.8h1d1.58"23
March 20268883.9° / 57.1°10.1h1d0.04"28
April 20269575° / 51.9°10.5h0d0.43"29
May 20269478° / 54.1°11h3d0.01"31
June 20269485.9° / 58.5°12.2h2d0"30
Last updated: 7/24/2026

Climate Trends

Average Temperature by Month

102°F86°F70°F54°F38°FJul '24Aug '24Sep '24Oct '24Nov '24Dec '24Jan '25Feb '25Mar '25Apr '25May '25Jun '25Jul '25Aug '25Sep '25Oct '25Nov '25Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26
Average High
Average Low
About the Lake Mathews climate charts

The temperature chart compares average monthly highs and lows at Lake Mathews, 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 Lake Mathews. 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 Lake Mathews

This heatmap shows how average temperature at Lake Mathews 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 Lake Mathews

This heatmap shows when fog or low cloud is most likely at Lake Mathews. 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 Lake Mathews

This heatmap shows the typical hourly wind pattern at Lake Mathews 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 Lake Mathews

This heatmap shows average cloud cover at Lake Mathews 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 Lake Mathews

This heatmap shows the average solar radiation reaching Lake Mathews 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
33.8250, -117.3683
⛰️
Elevation
1736 ft
🏷️
Type
Town
🏷️
Tags
#town#inland-empire#inland-heat#wind
Map
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Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Lake Mathews

What is the weather at Lake Mathews right now?

Current conditions at Lake Mathews are 72°F, feeling like 72°F, with 44% humidity, winds near 5 mph, 50% cloud cover, and a 0% chance of precipitation. Warm with some clouds

What temperatures are typical at Lake Mathews?

The location-specific record for 2024-07-01 through 2026-06-30 shows an average daily high of 80°F and an average low of 55°F at Lake Mathews. These are averages across the year; the monthly climate table on this page shows the warmer and cooler seasons separately.

How much rain does Lake Mathews get?

The location-specific climate baseline estimates about 4.5 inches of precipitation and 22 days with measurable rain in a typical year at Lake Mathews. The monthly breakdown shows when that rain is most likely.

How often is Lake Mathews foggy?

Lake Mathews averages about 0.5 hours of morning fog per day across the location-specific climate baseline, with approximately 19 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 Lake Mathews for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are April 2026 (75°F/52°F average high/low and a 95 comfort score), May 2026 (78°F/54°F average high/low and a 94 comfort score), and June 2026 (86°F/59°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 Lake Mathews?

Lake Mathews is a town at 1,736 feet. Lake Mathews 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 Lake Mathews.
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