San Bernardino County, CA Weather Forecast
County weather hub
Isolated Rain Showers
Compare major city weather across San Bernardino County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Isolated rain showers between 11am and 5pm. Mostly sunny. High near 84, with temperatures falling to around 82 in the afternoon. West southwest wind 3 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
County Weather Overview
This county weather page brings together forecast coverage for San Bernardino County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 27 of 27 mapped cities in San Bernardino County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 10:00 AM PDT
- Forecast office
- VEF
- Source
- NOAA / NWS
Daily Outlook
This Week in San Bernardino County
Friday looks like the warmest upcoming period in San Bernardino County at 84 degrees F.
Sunday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Sunday at about 6 to 21 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 10:00 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- VEF
- Radar station
- KEYX
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 53. West wind 5 to 18 mph, with gusts as high as 24 mph.
Sunny, with a high near 78. Southwest wind 3 to 17 mph, with gusts as high as 23 mph.
Isolated rain showers after 5am. Mostly clear, with a low around 51. Chance of precipitation is 20%.
Isolated rain showers before 11am, then scattered showers and thunderstorms between 11am and 5pm. Mostly sunny, with a high near 70.
Mostly clear, with a low around 46.
Sunny, with a high near 71.
Mostly clear, with a low around 47.
Sunny, with a high near 76.
Mostly clear, with a low around 50.
Sunny, with a high near 83.
Partly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Isolated Rain Showers
|
84°F |
3 to 16 mph
WSW
|
|
Friday Night
Apr 10
|
Mostly Clear
|
53°F |
5 to 18 mph
W
|
|
Saturday
Apr 11
|
Sunny
|
78°F |
3 to 17 mph
SW
|
|
Saturday Night
Apr 11
|
Mostly Clear then Isolated Rain Showers
|
51°F |
6 to 17 mph
W
|
|
Sunday
Apr 12
|
Scattered Showers And Thunderstorms
|
70°F |
6 to 21 mph
SW
|
|
Sunday Night
Apr 12
|
Mostly Clear
|
46°F |
10 to 21 mph
W
|
|
Monday
Apr 13
|
Sunny
|
71°F |
10 to 15 mph
W
|
|
Monday Night
Apr 13
|
Mostly Clear
|
47°F |
7 to 16 mph
WNW
|
|
Tuesday
Apr 14
|
Sunny
|
76°F |
6 to 9 mph
NW
|
|
Tuesday Night
Apr 14
|
Mostly Clear
|
50°F |
7 mph
WNW
|
|
Wednesday
Apr 15
|
Sunny
|
83°F |
3 to 7 mph
W
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
56°F |
7 mph
WSW
|
Major City Forecasts
Live forecast snapshots for major cities across San Bernardino County.
Coverage
Forecast coverage currently spans 27 of 27 mapped cities in San Bernardino County.
Largest mapped city population in this region: 217,491.
