Lake Forest Weather

TownGreater Los Angeles

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

66°
🙂
Comfort Score
81(B)
Great
Weather updated August 18, 2026 at 3:52 AM PDT

Lake Forest weather at a glance

Lake Forest is a town at 627 feet in Greater Los Angeles. Lake Forest 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 66°F, feeling like 66°F, with 75% humidity, winds near 4 mph, 97% cloud cover, and a 0% chance of precipitation. Mild and overcast.

The location-specific climate baseline shows an average daily high of 77°F and an average low of 56°F, with about 9.2 hours of sunshine per day and 1.1 hours of morning fog per day. Expected annual precipitation is approximately 7.7 inches.

Current Conditions

Temperature
66°F
Feels like 66°F
Humidity
75%
Wind
4 mph
NW • Gusts 6 mph
Cloud Cover
97%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Temperature91
Wind100
Night Sky5
Humidity50
Precipitation100

Hourly Forecast

Today

TimeTempComfortAQIWindPrecipConditions
Now66°79 (B)5 mph0%☁️ Cloudy
5am65°93 (A-)3 mph0%☀️ Sunny
6am65°79 (B)4 mph0%☁️ Cloudy
7am66°90 (A-)3 mph0%🌤️ Mostly Sunny
8am69°97 (A)3 mph0%☀️ Sunny
9am75°99 (A)2 mph0%☀️ Sunny
10am82°87 (A-)3 mph0%☀️ Sunny
11am88°75 (B)3 mph0%☀️ Sunny
12pm92°51 (C-)4 mph0%☁️ Cloudy
1pm94°50 (C-)8 mph0%☁️ Cloudy
2pm93°50 (C-)8 mph0%☁️ Cloudy
3pm92°51 (C-)7 mph0%☁️ Cloudy
How to read the Lake Forest hourly chart

The hourly chart follows the next 48 forecast hours at Lake Forest. 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 Forest. 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

Satellite

GOES-West Infrared

Radar

Precipitation

4 mph
Gusts 6 mph
Wind

Coming soon

About the weather maps for Lake Forest

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

7-Day Forecast

DayHigh/LowComfortPrecipConditions
Today🏆 Best94° / 65°76 (B)0%☀️ Sunny
Wed98° / 64°76 (B)0%☀️ Sunny
Thu95° / 77°76 (B)1%☀️ Sunny
Fri95° / 78°75 (B)1%☀️ Sunny
Sat96° / 78°75 (B)0%☀️ Sunny
Sun99° / 79°75 (B)1%☀️ Sunny
Mon98° / 79°75 (B)2%☀️ Sunny

Best day this week: Today (Comfort score: 76)

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
94°Fforecast
8° above normal
Normal: 86°F
Rainfall Year-to-Date
4.2"
7% below average
30-yr avg: 4.5"
Sunny Days
28last 28 days
Right on track
Typical: 28
Foggy Days
0last 28 days
vs 5 typical
Clearer than usual
Avg Wind Speed
7.0 mphlast 28 days
Typical conditions
Typical: 6.6 mph
Comfort Score
9528-day avg
On par with typical
Recent baseline: 93
What the Lake Forest climate comparisons mean

These cards compare recent conditions at Lake Forest 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 Forest 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)

90
Avg Comfort
76.8°
Avg High
56.3°
Avg Low
91%
Perfect Days
☀️ Avg Sunshine9.2h/day
🌫️ Avg Fog1.1h/day
💧 Avg Annual Rain7.7"
🌧️ Rainy Days/yr25 (7%)
🌫️ Foggy Days/yr42
✨ Perfect Days (80+)664

🌟 Best Months to Visit

1. June90
80° / 61° · ☀️ 11.1h
1 foggy days · 1 rainy days
2. May86
75.4° / 57.3° · ☀️ 10.3h
2 foggy days · 1 rainy days
3. April85
72.3° / 53.4° · ☀️ 10h
0 foggy days · 3 rainy days

⚠️ Challenging Months

1. December62
69.4° / 50.1° · ☀️ 6.6h
💧 1.2" · 3 rainy days · 8 foggy days
2. September69
85° / 63.6° · ☀️ 9.6h
💧 0" · 1 rainy days · 6 foggy days
3. February70
70.5° / 50.7° · ☀️ 7.6h
💧 2.5" · 5 rainy days · 3 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
July 20249087.4° / 64°11.6h3d0"30
August 20249188.4° / 63.8°10.8h3d0"30
September 20248784.9° / 62.5°9.7h8d0.01"25
October 20248981° / 57.6°9h6d0"30
November 20249172.1° / 50.3°7.8h0d0"30
December 20248668.8° / 48.4°6.8h8d0.07"26
January 20258767.8° / 46.8°8.3h1d0.48"29
February 20258669.4° / 49.4°7.4h5d2.17"23
March 20258666.4° / 49°8.1h3d1.74"23
April 20259570.7° / 51.9°10.1h0d0.14"29
May 20259376.2° / 57.3°10h0d0.04"28
June 20259380.7° / 60.7°11.3h2d0.12"30
July 20259282.4° / 62.2°11.3h10d0"31
August 20258988° / 64.8°10.7h5d0.02"30
September 20259085.1° / 64.6°9.6h4d0.09"28
October 20259178.5° / 57.6°8.8h2d1.14"29
November 20258471.8° / 54.1°6.9h6d2.73"25
December 20258269.9° / 51.7°6.5h7d2.59"21
January 20268671.5° / 51.2°7.4h1d0.8"25
February 20268571.7° / 51.9°7.8h1d2.9"22
March 20269181.6° / 56.7°9.9h5d0.03"30
April 20269473.8° / 54.9°10h0d0.43"29
May 20269674.4° / 57.2°10.6h3d0.01"31
June 20269579.2° / 61.3°10.9h0d0"30
Last updated: 7/24/2026

Climate Trends

Average Temperature by Month

93°F80°F68°F55°F43°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 Forest climate charts

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

This heatmap shows how average temperature at Lake Forest 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 Forest

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

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

This heatmap shows average cloud cover at Lake Forest 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 Forest

This heatmap shows the average solar radiation reaching Lake Forest 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
33.6549, -117.6758
⛰️
Elevation
627 ft
🏷️
Type
Town
🏷️
Tags
#town#inland-empire#inland-heat#wind
Map
Loading map...
Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Lake Forest

What is the weather at Lake Forest right now?

Current conditions at Lake Forest are 66°F, feeling like 66°F, with 75% humidity, winds near 4 mph, 97% cloud cover, and a 0% chance of precipitation. Mild and overcast

What temperatures are typical at Lake Forest?

The location-specific record for 2024-07-01 through 2026-06-30 shows an average daily high of 77°F and an average low of 56°F at Lake Forest. 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 Forest get?

The location-specific climate baseline estimates about 7.7 inches of precipitation and 25 days with measurable rain in a typical year at Lake Forest. The monthly breakdown shows when that rain is most likely.

How often is Lake Forest foggy?

Lake Forest averages about 1.1 hours of morning fog per day across the location-specific climate baseline, with approximately 42 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 Forest for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are May 2026 (74°F/57°F average high/low and a 96 comfort score), April 2025 (71°F/52°F average high/low and a 95 comfort score), and June 2026 (79°F/61°F average high/low and a 95 comfort score). “Best” depends on the activity, so use the monthly table for the exact tradeoffs.

What kind of destination is Lake Forest?

Lake Forest is a town at 627 feet. Lake Forest 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 Forest.
Destinations☀️Smog Forecast🌫️Smog Heat Map🔒Privacy Policy📄Terms of Service