Big Bear Lake, CA Weather Forecast

Local 7-day forecast

76°
F

Slight Chance Rain Showers

Track current conditions, temperature changes, wind, and the full daily outlook for Big Bear Lake, CA in one place.

Saturday, July 18, 2026
Wind: 0 to 5 mph S
Saturday

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 7-day forecast

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
Next High
76°F
Saturday
Next Low
55°F
Saturday Night
Rain Outlook
7
Periods mentioning precipitation
Windiest
0 to 5 mph
Saturday

Daily Outlook

Today
Jul 18
Slight Chance Rain Showers
76 °F
/ 55°F
Wind 0 to 5 mph
Sun
Jul 19
Slight Chance Rain Showers
77 °F
/ 53°F
Wind 0 to 5 mph
Mon
Jul 20
Slight Chance Rain Showers
75 °F
/ 54°F
Wind 0 to 5 mph
Tue
Jul 21
Slight Chance Rain Showers
76 °F
/ 54°F
Wind 0 to 5 mph
Wed
Jul 22
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
79 °F
/ 56°F
Wind 0 to 5 mph
Thu
Jul 23
Chance Showers And Thunderstorms
78 °F
Wind 0 to 5 mph

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 source

Extended Forecast

Saturday Night
Jul 18
55°F
Mostly Clear
0 to 5 mph S

Mostly clear, with a low around 55. South wind 0 to 5 mph.

Sunday
Jul 19
77°F
Slight Chance Rain Showers
0 to 5 mph SW

A slight chance of rain showers between 11am and 5pm. Mostly sunny, with a high near 77. Chance of precipitation is 20%.

Sunday Night
Jul 19
53°F
Partly Cloudy
0 to 5 mph SW

Partly cloudy, with a low around 53.

Monday
Jul 20
75°F
Slight Chance Rain Showers
0 to 5 mph SW

A slight chance of rain showers between 11am and 5pm. Mostly sunny, with a high near 75.

Monday Night
Jul 20
54°F
Mostly Clear
0 to 5 mph SW

Mostly clear, with a low around 54.

Tuesday
Jul 21
76°F
Slight Chance Rain Showers
0 to 5 mph SW

A slight chance of rain showers between 11am and 5pm. Sunny, with a high near 76.

Tuesday Night
Jul 21
54°F
Mostly Clear
0 to 5 mph S

Mostly clear, with a low around 54.

Wednesday
Jul 22
79°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
0 to 5 mph S

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.

Wednesday Night
Jul 22
56°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
0 to 5 mph S

A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 56.

Thursday
Jul 23
78°F
Chance Showers And Thunderstorms
0 to 5 mph S

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
Big Bear Valley  California
Big Bear Valley California image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.