Lake Forest, CA Weather Forecast
Local 7-day forecast
Snow Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Lake Forest, CA in one place.
Snow showers likely. Mostly cloudy, with a low around 26. New snow accumulation of 1 to 3 inches possible.
Local Weather Overview
This forecast page for Lake Forest, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 5:48 PM PDT.
The active forecast window currently covers Apr 12 to Apr 15, 2026 for Lake Forest, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 12 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 5:48 PM PDT
- Forecast office
- REV
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake Forest
Wednesday looks like the warmest upcoming period in Lake Forest at 51 degrees F.
Sunday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Sunday Night at about 0 to 5 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 5:48 PM PDT
- Coverage
- 4 days
- Time zone
- America/Los_Angeles
- Forecast office
- REV
- Radar station
- KRGX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of snow showers before 5pm. Partly sunny, with a high near 41.
Partly cloudy, with a low around 26.
Mostly sunny, with a high near 46.
Partly cloudy, with a low around 31.
Mostly sunny, with a high near 51.
Partly cloudy, with a low around 34.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday Night
Apr 12
|
Snow Showers Likely
|
26°F |
0 to 5 mph
SW
|
|
Monday
Apr 12
|
Chance Snow Showers
|
41°F |
0 to 5 mph
W
|
|
Monday Night
Apr 13
|
Partly Cloudy
|
26°F |
0 to 5 mph
W
|
|
Tuesday
Apr 13
|
Mostly Sunny
|
46°F |
0 to 5 mph
W
|
|
Tuesday Night
Apr 14
|
Partly Cloudy
|
31°F |
0 to 5 mph
W
|
|
Wednesday
Apr 14
|
Mostly Sunny
|
51°F |
0 to 5 mph
W
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
34°F |
0 to 5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake Forest.