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

Auto Club Speedway Weather



Weather Forecast for Fontana

Now
Current Weather Conditions
44° F

Wind: 6.91 mph
Humidity: 83%
Clouds: 75%
Pressure: 1012 hPa
Sunrise: 10:29 AM ET
Sunset: 9:37 PM ET
Tomorrow
Tomorrow's Weather Conditions
Mostly Sunny

Mostly Clear
Sun
Sun's Weather Conditions
Sunny

Partly Cloudy


Extended Forecast
 
National Weather Service Forecast for: Fontana CA
Issued by: National Weather Service San Diego, CA
Updated: 6:11 pm PST Feb 19, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 38. South wind 5 to 10 mph becoming light southeast.
Low: 38 °F
Friday

Friday: Mostly sunny, with a high near 55. Northeast wind around 5 mph becoming south in the afternoon.
High: 55 °F
Friday
Night
Friday Night: Mostly clear, with a low around 40. West wind around 5 mph becoming calm.
Low: 40 °F
Saturday

Saturday: Sunny, with a high near 66. Northeast wind around 5 mph becoming southeast in the afternoon.
High: 66 °F
Saturday
Night
Saturday Night: Partly cloudy, with a low around 47. Calm wind becoming northeast around 5 mph.
Low: 47 °F
Sunday

Sunday: Sunny, with a high near 71.
High: 71 °F
Sunday
Night
Sunday Night: Partly cloudy, with a low around 51.
Low: 51 °F
Monday

Monday: Mostly sunny, with a high near 77.
High: 77 °F
Monday
Night
Monday Night: Partly cloudy, with a low around 55.
Low: 55 °F
Mostly Cloudy
Mostly Sunny
Mostly Clear
Sunny
Partly Cloudy
Sunny
Partly Cloudy
Mostly Sunny
Partly Cloudy

Wind Advisory


Overnight
 
Mostly cloudy, with a low around 38. South wind 5 to 10 mph becoming light southeast.
Friday
 
Mostly sunny, with a high near 55. Northeast wind around 5 mph becoming south in the afternoon.
Friday Night
 
Mostly clear, with a low around 40. West wind around 5 mph becoming calm.
Saturday
 
Sunny, with a high near 66. Northeast wind around 5 mph becoming southeast in the afternoon.
Saturday Night
 
Partly cloudy, with a low around 47. Calm wind becoming northeast around 5 mph.
Sunday
 
Sunny, with a high near 71.
Sunday Night
 
Partly cloudy, with a low around 51.
Monday
 
Mostly sunny, with a high near 77.
Monday Night
 
Partly cloudy, with a low around 55.
Tuesday
 
Mostly sunny, with a high near 75.
Tuesday Night
 
A slight chance of showers. Partly cloudy, with a low around 56.
Wednesday
 
A slight chance of showers. Partly sunny, with a high near 73.
Wednesday Night
 
A slight chance of showers. Mostly cloudy, with a low around 56.
Thursday
 
Partly sunny, with a high near 77.

Forecast from NOAA-NWS for Fontana.



 


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

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