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Weather Forecast for Fontana

Now
Current Weather Conditions
65° F

Wind: 0 mph
Humidity: 62%
Clouds: 0%
Pressure: 1018 hPa
Sunrise: 10:15 AM ET
Sunset: 8:51 PM ET
Tomorrow
Tomorrow's Weather Conditions
Clear

Sunny
Sun
Sun's Weather Conditions
Clear

Sunny


Extended Forecast
 
National Weather Service Forecast for: Fontana CA
Issued by: National Weather Service San Diego, CA
Updated: 2:01 am PST Nov 7, 2025
 
Today

Today: Sunny, with a high near 84. North wind 5 to 10 mph.
High: 84 °F
Tonight

Tonight: Clear, with a low around 58. North wind around 5 mph.
Low: 58 °F
Saturday

Saturday: Sunny, with a high near 86. North wind around 10 mph, with gusts as high as 20 mph.
High: 86 °F
Saturday
Night
Saturday Night: Clear, with a low around 59. North wind 10 to 15 mph, with gusts as high as 25 mph.
Low: 59 °F
Sunday

Sunday: Sunny, with a high near 88. North wind 10 to 15 mph, with gusts as high as 20 mph.
High: 88 °F
Sunday
Night
Sunday Night: Mostly clear, with a low around 60.
Low: 60 °F
Monday

Monday: Sunny, with a high near 88.
High: 88 °F
Monday
Night
Monday Night: Partly cloudy, with a low around 60.
Low: 60 °F
Veterans
Day
Veterans Day: Mostly sunny, with a high near 84.
High: 84 °F
Sunny
Clear
Sunny
Clear
Sunny
Mostly Clear
Sunny
Partly Cloudy
Mostly Sunny


Today
 
Sunny, with a high near 84. North wind 5 to 10 mph.
Tonight
 
Clear, with a low around 58. North wind around 5 mph.
Saturday
 
Sunny, with a high near 86. North wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
 
Clear, with a low around 59. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
 
Sunny, with a high near 88. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
 
Mostly clear, with a low around 60.
Monday
 
Sunny, with a high near 88.
Monday Night
 
Partly cloudy, with a low around 60.
Veterans Day
 
Mostly sunny, with a high near 84.
Tuesday Night
 
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 59.
Wednesday
 
Patchy fog. Otherwise, partly sunny, with a high near 79.
Wednesday Night
 
Partly cloudy, with a low around 57.
Thursday
 
A slight chance of showers. Mostly sunny, with a high near 75.

Forecast from NOAA-NWS for Fontana.



 


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