San Bernardino County, CA Weather Forecast
County weather hub
Clear
Compare major city weather across San Bernardino County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Clear. Low around 73, with temperatures rising to around 75 overnight. West southwest wind 1 to 6 mph.
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
- Oct 8 to Oct 15, 2026
- Latest sync
- Oct 8, 2026 9:29 PM 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 98 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Sunday at about 10 to 23 mph SSE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 9:29 PM 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
Sunny. High near 98, with temperatures falling to around 96 in the afternoon. East northeast wind 1 to 8 mph.
Partly cloudy, with a low around 72. West southwest wind 1 to 7 mph.
A slight chance of rain showers after 5pm. Mostly cloudy, with a high near 88. South wind 1 to 14 mph. Chance of precipitation is 20%.
A chance of rain showers before 5am, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. South wind 5 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 5pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
A chance of rain showers after 5am. Partly cloudy, with a low around 57.
A chance of rain showers. Mostly sunny, with a high near 73.
A slight chance of rain showers before 11pm. Partly cloudy, with a low around 53.
Sunny, with a high near 72.
Mostly clear, with a low around 52.
Sunny, with a high near 76.
Clear, with a low around 55.
Sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Oct 8
|
Clear
|
73°F |
1 to 6 mph
WSW
|
|
Friday
Oct 9
|
Sunny
|
98°F |
1 to 8 mph
ENE
|
|
Friday Night
Oct 9
|
Partly Cloudy
|
72°F |
1 to 7 mph
WSW
|
|
Saturday
Oct 10
|
Mostly Cloudy then Slight Chance Rain Showers
|
88°F |
1 to 14 mph
S
|
|
Saturday Night
Oct 10
|
Showers And Thunderstorms Likely
|
65°F |
5 to 14 mph
S
|
|
Sunday
Oct 11
|
Showers And Thunderstorms Likely
|
78°F |
10 to 23 mph
SSE
|
|
Sunday Night
Oct 11
|
Partly Cloudy then Chance Rain Showers
|
57°F |
6 to 14 mph
SSW
|
|
Columbus Day
Oct 12
|
Chance Rain Showers
|
73°F |
5 to 10 mph
SSW
|
|
Monday Night
Oct 12
|
Slight Chance Rain Showers then Partly Cloudy
|
53°F |
6 to 10 mph
W
|
|
Tuesday
Oct 13
|
Sunny
|
72°F |
5 to 9 mph
WNW
|
|
Tuesday Night
Oct 13
|
Mostly Clear
|
52°F |
3 to 7 mph
W
|
|
Wednesday
Oct 14
|
Sunny
|
76°F |
7 mph
WNW
|
|
Wednesday Night
Oct 14
|
Clear
|
55°F |
2 to 6 mph
WNW
|
|
Thursday
Oct 15
|
Sunny
|
78°F |
6 to 13 mph
NNW
|
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.
