San Bernardino, California Weather
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Weather Forecast for San Bernardino, California : San Bernardino County
Issued: 1:00 pm PDT Sep 15, 2025 Latitude: 34.1083449 Longitude: -117.2897652 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Tonight Sunny on Tuesday 20% chance of thunderstorms on Wednesday 60% chance of thunderstorms on Thursday 10% chance of thunderstorms on Friday Sunny on Saturday Sunny on Sunday Sunny on Monday
Low: 70°F High: 99°F High: 96°F High: 88°F High: 90°F High: 92°F High: 93°F High: 94°F
Low: 70°F Low: 69°F Low: 67°F Low: 67°F Low: 67°F Low: 68°F  
Mostly Clear Sunny Thunderstorms Thunderstorms Thunderstorms Sunny Sunny Sunny
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Current Conditions at
RIVERSIDE - (KRAL)
75°
Clear
as of 10:53 PM PDST
Rel. Humidity: 53%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MARCH AFB - (KRIV)
72°
Clear
as of 10:55 PM PDST
Rel. Humidity: 49%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ONTARIO - (KONT)
75°
Clear
as of 10:53 PM PDST
Rel. Humidity: 64%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CHINO - (KCNO)
70°
Clear
as of 10:53 PM PDST
Rel. Humidity: 73%
Dew Point: 61°F
Visibility: 8 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm.
Sunny on Tuesday Tuesday... Sunny, with a high near 99. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
20% chance of thunderstorms Wednesday Wednesday... A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
20% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.
10% chance of thunderstorms Friday Friday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 67.
Sunny on Saturday Saturday... Sunny, with a high near 92.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 67.
Sunny on Sunday Sunday... Sunny, with a high near 93.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 68.
Sunny on Monday Monday... Sunny, with a high near 94.
Current Radar Image


Sun Almanac for San Bernardino, California
Sunrise: 06:34 AM
Sunset: 6:54 PM
Civil Sunrise:06:08 AM
Civil Sunset: 7:19 PM
Nautical Sunrise: 05:39 AM
Nautical Sunset: 7:48 PM
Astro Sunrise: 05:09 AM
Astro Sunset: 8:18 PM
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