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Weather Forecast for Fontana

Now
Current Weather Conditions
61° F

Wind: 13.8 mph
Humidity: 37%
Clouds: 40%
Pressure: 1008 hPa
Sunrise: 9:35 AM ET
Sunset: 10:10 PM ET
Tomorrow
Tomorrow's Weather Conditions
Partly Cloudy


Chance
Showers
Fri
Fri's Weather Conditions
Slight Chance
T-storms then
Mostly Clear

Sunny



Extended Forecast
 
National Weather Service Forecast for: Fontana CA
Issued by: National Weather Service San Diego, CA
Updated: 1:30 pm PDT Apr 2, 2025
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 62. Southwest wind 10 to 15 mph increasing to 15 to 20 mph. Winds could gust as high as 35 mph.
High: 62 °F
Tonight

Tonight: Partly cloudy, with a low around 46. Southwest wind 5 to 15 mph becoming northeast after midnight. Winds could gust as high as 25 mph.
Low: 46 °F
Thursday

Thursday: A chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 61. East wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
High: 61 °F
Thursday
Night
Thursday Night: A slight chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 45. Southwest wind 10 to 15 mph becoming light northwest  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.
Low: 45 °F
Friday

Friday: Sunny, with a high near 66. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
High: 66 °F
Friday
Night
Friday Night: Mostly clear, with a low around 47.
Low: 47 °F
Saturday

Saturday: Sunny, with a high near 73.
High: 73 °F
Saturday
Night
Saturday Night: Clear, with a low around 50.
Low: 50 °F
Sunday

Sunday: Sunny, with a high near 79.
High: 79 °F
Mostly Sunny

Partly Cloudy

Chance
Showers
Slight Chance
T-storms then
Mostly Clear
Sunny

Mostly Clear

Sunny

Clear

Sunny


This Afternoon
 
Mostly sunny, with a high near 62. Southwest wind 10 to 15 mph increasing to 15 to 20 mph. Winds could gust as high as 35 mph.
Tonight
 
Partly cloudy, with a low around 46. Southwest wind 5 to 15 mph becoming northeast after midnight. Winds could gust as high as 25 mph.
Thursday
 
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 61. East wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 45. Southwest wind 10 to 15 mph becoming light northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday
 
Sunny, with a high near 66. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
 
Mostly clear, with a low around 47.
Saturday
 
Sunny, with a high near 73.
Saturday Night
 
Clear, with a low around 50.
Sunday
 
Sunny, with a high near 79.
Sunday Night
 
Mostly clear, with a low around 53.
Monday
 
Sunny, with a high near 79.
Monday Night
 
Mostly clear, with a low around 55.
Tuesday
 
Sunny, with a high near 83.

Forecast from NOAA-NWS for Fontana.



 


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