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Hourly Forecast
Daylight Hours
05:58
Sunrise
17:54
Sunset
Moon
Waxing Gibbous
17:21
Moonrise
04:54
Moonset
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View stargazing scoreWeather in San Bernardino today, September 25, 2026
Rain features in San Bernardino on September 25, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Wetter spells lean into the morning, when rain odds reach about 54% near 10:00. Skies look heaviest around 05:00, with cover close to 85%.
The day peaks near 29°C and cools toward 22°C. The air stays humid, with relative humidity between 69% and 98% and the peak around 15:00. Airflow remains manageable, reaching about 2.0 km/h around 12:00.
Through the afternoon wet weather remains a factor, with rain chances near 98% around 13:00. Cloud also stays substantial, close to 100% near 18:00. Horizontal visibility sits around 14.7 km, briefly nearer 6.2 km. Expect sunrise at 05:58, sunset at 17:54, and 11 hours 56 minutes of sunlight today overall.
Taken together, San Bernardino looks wet enough on September 25, 2026 that flexible outdoor plans work best, with temperatures peaking near 29°C.
Frequently asked questions about weather in San Bernardino
How warm does it get in San Bernardino?
The warmest month in San Bernardino is April, with average high temperatures of 32°C. The average temperature during this period is around 27°C.
How cold does it get in San Bernardino?
The coldest month in San Bernardino is January, with average low temperatures of 20°C. The average temperature during this period is around 25°C.
What is the wettest time of year in San Bernardino?
The wettest month in San Bernardino is June, with an average of 564mm of precipitation.
What is the driest time of year in San Bernardino?
The driest month in San Bernardino is February, with an average of 23mm of precipitation.
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