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Weather Forecast for Fontana

Now
Current Weather Conditions
53° F

Wind: 1.01 mph
Humidity: 82%
Clouds: 10%
Pressure: 1015 hPa
Sunrise: 8:48 AM ET
Sunset: 10:43 PM ET
Tomorrow
Tomorrow's Weather Conditions
Sunny


Mostly Clear

Fri
Fri's Weather Conditions
Sunny


Mostly Clear



Extended Forecast
 
National Weather Service Forecast for: Fontana CA
Issued by: National Weather Service San Diego, CA
Updated: 2:41 am PDT May 14, 2025
 
Overnight

Overnight: Partly cloudy, with a low around 51. West wind around 5 mph becoming calm.
Low: 51 °F
Wednesday

Wednesday: Sunny, with a high near 74. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
High: 74 °F
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 53. Southwest wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 20 mph.
Low: 53 °F
Thursday

Thursday: Sunny, with a high near 76. Light south wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
High: 76 °F
Thursday
Night
Thursday Night: Mostly clear, with a low around 53. West wind 5 to 15 mph, with gusts as high as 25 mph.
Low: 53 °F
Friday

Friday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 74.
High: 74 °F
Friday
Night
Friday Night: Increasing clouds, with a low around 54.
Low: 54 °F
Saturday

Saturday: Mostly cloudy, with a high near 68.
High: 68 °F
Saturday
Night
Saturday Night: Cloudy, with a low around 54.
Low: 54 °F
Partly Cloudy

Sunny

Mostly Clear

Sunny

Mostly Clear

Patchy Fog
then Mostly
Sunny
Increasing
Clouds
Mostly Cloudy

Cloudy


Overnight
 
Partly cloudy, with a low around 51. West wind around 5 mph becoming calm.
Wednesday
 
Sunny, with a high near 74. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
 
Mostly clear, with a low around 53. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Thursday
 
Sunny, with a high near 76. Light south wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
 
Mostly clear, with a low around 53. West wind 5 to 15 mph, with gusts as high as 25 mph.
Friday
 
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 74.
Friday Night
 
Increasing clouds, with a low around 54.
Saturday
 
Mostly cloudy, with a high near 68.
Saturday Night
 
Cloudy, with a low around 54.
Sunday
 
Cloudy, then gradually becoming mostly sunny, with a high near 67.
Sunday Night
 
Partly cloudy, with a low around 51.
Monday
 
Sunny, with a high near 77.
Monday Night
 
Mostly clear, with a low around 57.
Tuesday
 
Sunny, with a high near 86.

Forecast from NOAA-NWS for Fontana.



 


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