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Weather Forecast for Fontana

Now
Current Weather Conditions
71° F

Wind: 8.05 mph
Humidity: 62%
Clouds: 20%
Pressure: 1013 hPa
Sunrise: 8:38 AM ET
Sunset: 10:58 PM ET
Tomorrow
Tomorrow's Weather Conditions
Patchy Fog

Patchy Fog
then Sunny
Sun
Sun's Weather Conditions
Mostly Clear

Sunny


Extended Forecast
 
National Weather Service Forecast for: Fontana CA
Issued by: National Weather Service San Diego, CA
Updated: 1:14 am PDT Jun 6, 2025
 
Today

Today: Sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
High: 85 °F
Tonight

Tonight: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 60. West wind 5 to 10 mph, with gusts as high as 20 mph.
Low: 60 °F
Saturday

Saturday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
High: 87 °F
Saturday
Night
Saturday Night: Mostly clear, with a low around 62. West wind 5 to 10 mph becoming light  after midnight.
Low: 62 °F
Sunday

Sunday: Sunny, with a high near 88. Light southwest wind increasing to 5 to 10 mph in the morning.
High: 88 °F
Sunday
Night
Sunday Night: Mostly clear, with a low around 64.
Low: 64 °F
Monday

Monday: Sunny, with a high near 91.
High: 91 °F
Monday
Night
Monday Night: Mostly clear, with a low around 65.
Low: 65 °F
Tuesday

Tuesday: Sunny, with a high near 91.
High: 91 °F
Sunny
Patchy Fog
Patchy Fog
then Sunny
Mostly Clear
Sunny
Mostly Clear
Sunny
Mostly Clear
Sunny


Today
 
Sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
 
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 60. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
 
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
 
Mostly clear, with a low around 62. West wind 5 to 10 mph becoming light after midnight.
Sunday
 
Sunny, with a high near 88. Light southwest wind increasing to 5 to 10 mph in the morning.
Sunday Night
 
Mostly clear, with a low around 64.
Monday
 
Sunny, with a high near 91.
Monday Night
 
Mostly clear, with a low around 65.
Tuesday
 
Sunny, with a high near 91.
Tuesday Night
 
Mostly clear, with a low around 65.
Wednesday
 
Patchy fog. Otherwise, sunny, with a high near 90.
Wednesday Night
 
Mostly clear, with a low around 63.
Thursday
 
Sunny, with a high near 85.

Forecast from NOAA-NWS for Fontana.



 


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