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San Bernardino County (San Bernardino)
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United States weather

10 day weather forecast for San Bernardino County

Monday, December 15th, 2025, at 12:22 PM
today
Sunny
31° 9°
tomorrow
Partly cloudy
29° 13°
Wednesday
Sunny
28° 10°
Thursday
Sunny
25° 8°
Friday
Partly cloudy
23° 10°
Saturday
Sunny
21° 7°
Sunday
Sunny
20° 11°
 More Details See
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San Bernardino County Weather Pages

San Bernardino County weather forecast

The weather forecast for San Bernardino County over the next 3 days indicates hot conditions with temperatures ranging from 28 °F to 31 °F, accompanied by a gentle breeze.

On Thursday, a notable cooling trend with temperatures reaching 25°C.

Weather today
San Bernardino County weather forecast

San Bernardino County 14 days weather forecast

This weeks weather in San Bernardino County. Click on a date for detailed forecasts
Mon. 15
31°
9°
Sunny
0 mm
Tue. 16
29°
13°
Partly cloudy
0 mm
Wed. 17
28°
10°
Sunny
0 mm
Thu. 18
25°
8°
Sunny
0 mm
Fri. 19
23°
10°
Partly cloudy
0 mm
Sat. 20
21°
7°
Sunny
0 mm
Sun. 21
20°
11°
Sunny
0 mm
Mon. 22
20°
9°
Sunny
0 mm
Tue. 23
21°
8°
Sunny
0 mm
Wed. 24
20°
11°
Sunny
0 mm
Thu. 25
21°
7°
Sunny
0 mm
Fri. 26
24°
6°
Sunny
0 mm
Sat. 27
25°
8°
Sunny
0 mm
Sun. 28
24°
11°
Sunny
0 mm
Further Ahead
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Access San Bernardino County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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San Bernardino County long range weather forecast

30 day weather forecast for San Bernardino County
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
20°
2
Sunny
19°
3
Sunny
20°
4
Sunny
21°
5
Sunny
23°
6
Sunny
22°
7
Sunny
22°
8
Sunny
21°
9
Sunny
22°
10
Sunny
24°
11
Overcast
22°
12
Sunny
18°
13
Sunny
18°
14
Partly cloudy
19°
15
Sunny
31°
16
Partly cloudy
29°
17
Sunny
28°
18
Sunny
25°
19
Partly cloudy
23°
20
Sunny
21°
21
Sunny
20°
22
Sunny
20°
23
Sunny
21°
24
Sunny
20°
25
Sunny
21°
26
Sunny
24°
27
Sunny
25°
28
Sunny
24°
29
Overcast
18°
30
Light rain shower
15°
31
Light rain shower
15°
Important Notice
Our San Bernardino County long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

San Bernardino County Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in San Bernardino County over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

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Big Bear LakeFontanaOntarioRancho CucamongaSan Bernardino
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Location coordinates Where is San Bernardino County?

Get accurate weather forecasts for San Bernardino County, located at latitude 34.108 and longitude -117.29. Stay updated with localized weather information tailored for San Bernardino County.

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