Big Bear Lake, CA Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Big Bear Lake, CA in one place.
A slight chance of rain showers between 11am and 5pm. Mostly sunny, with a high near 76. South wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Big Bear Lake, 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: Jul 17, 2026 6:05 AM PDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Big Bear Lake, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 6:05 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Big Bear Lake
Wednesday looks like the warmest upcoming period in Big Bear Lake at 79 degrees F.
Sunday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Saturday at about 0 to 5 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 6:05 AM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- SGX
- Radar station
- KSOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 55. South wind 0 to 5 mph.
A slight chance of rain showers between 11am and 5pm. Mostly sunny, with a high near 77. Chance of precipitation is 20%.
Partly cloudy, with a low around 53.
A slight chance of rain showers between 11am and 5pm. Mostly sunny, with a high near 75.
Mostly clear, with a low around 54.
A slight chance of rain showers between 11am and 5pm. Sunny, with a high near 76.
Mostly clear, with a low around 54.
A slight chance of rain showers between 11am and 5pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 56.
A chance of showers and thunderstorms between 11am and 5pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Slight Chance Rain Showers
|
76°F |
0 to 5 mph
S
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
55°F |
0 to 5 mph
S
|
|
Sunday
Jul 19
|
Slight Chance Rain Showers
|
77°F |
0 to 5 mph
SW
|
|
Sunday Night
Jul 19
|
Partly Cloudy
|
53°F |
0 to 5 mph
SW
|
|
Monday
Jul 20
|
Slight Chance Rain Showers
|
75°F |
0 to 5 mph
SW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
54°F |
0 to 5 mph
SW
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers
|
76°F |
0 to 5 mph
SW
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
54°F |
0 to 5 mph
S
|
|
Wednesday
Jul 22
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
79°F |
0 to 5 mph
S
|
|
Wednesday Night
Jul 22
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
56°F |
0 to 5 mph
S
|
|
Thursday
Jul 23
|
Chance Showers And Thunderstorms
|
78°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Big Bear Lake.