StadiumForecast.com - Your Weather Expert for Sports
   Football
   Baseball
Golf
  Soccer
Racing
 

Auto Club Speedway Weather



Weather Forecast for Fontana

Now
Current Weather Conditions
69° F

Wind: 6.91 mph
Humidity: 68%
Clouds: 0%
Pressure: 1019 hPa
Sunrise: 9:01 AM ET
Sunset: 10:50 PM ET
Tomorrow
Tomorrow's Weather Conditions
Sunny

Mostly Clear
Mon
Mon's Weather Conditions
Sunny

Mostly Clear


Extended Forecast
 
National Weather Service Forecast for: Fontana CA
Issued by: National Weather Service San Diego, CA
Updated: 8:04 pm PDT Aug 1, 2025
 
Tonight

Tonight: Mostly clear, with a low around 63. West wind around 5 mph becoming calm  after midnight.
Low: 63 °F
Saturday

Saturday: Sunny, with a high near 93. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
High: 93 °F
Saturday
Night
Saturday Night: Mostly clear, with a low around 65. West wind around 5 mph becoming calm  after midnight.
Low: 65 °F
Sunday

Sunday: Sunny, with a high near 94. Light west wind becoming southwest 5 to 10 mph in the afternoon.
High: 94 °F
Sunday
Night
Sunday Night: Mostly clear, with a low around 66. Southwest wind around 5 mph becoming calm  in the evening.
Low: 66 °F
Monday

Monday: Sunny, with a high near 95.
High: 95 °F
Monday
Night
Monday Night: Mostly clear, with a low around 66.
Low: 66 °F
Tuesday

Tuesday: Sunny, with a high near 95.
High: 95 °F
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 67.
Low: 67 °F
Mostly Clear
Sunny
Mostly Clear
Sunny
Mostly Clear
Sunny
Mostly Clear
Sunny
Mostly Clear


Tonight
 
Mostly clear, with a low around 63. West wind around 5 mph becoming calm after midnight.
Saturday
 
Sunny, with a high near 93. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
 
Mostly clear, with a low around 65. West wind around 5 mph becoming calm after midnight.
Sunday
 
Sunny, with a high near 94. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
 
Mostly clear, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.
Monday
 
Sunny, with a high near 95.
Monday Night
 
Mostly clear, with a low around 66.
Tuesday
 
Sunny, with a high near 95.
Tuesday Night
 
Mostly clear, with a low around 67.
Wednesday
 
Sunny, with a high near 98.
Wednesday Night
 
Mostly clear, with a low around 70.
Thursday
 
Sunny, with a high near 101.
Thursday Night
 
Mostly clear, with a low around 71.
Friday
 
Sunny, with a high near 100.

Forecast from NOAA-NWS for Fontana.



 


Football  |  Baseball  |  Golf  |  Soccer  |  Racing  |  Radar  |  Stadiums

Copyright © 2009-, StadiumForecast.com a Division of FFWV