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

Auto Club Speedway Weather



Weather Forecast for Fontana

Now
Current Weather Conditions
64° F

Wind: 9.22 mph
Humidity: 65%
Clouds: 0%
Pressure: 1018 hPa
Sunrise: 10:53 AM ET
Sunset: 8:46 PM ET
Tomorrow
Tomorrow's Weather Conditions
Showers


Heavy Rain

Sat
Sat's Weather Conditions
Showers
Likely then
Chance
Showers

Slight Chance
Showers then
Sunny


Extended Forecast
 
National Weather Service Forecast for: Fontana CA
Issued by: National Weather Service San Diego, CA
Updated: 3:43 am PST Dec 25, 2025
 
Christmas
Day
Christmas Day: A chance of showers.  Mostly cloudy, with a high near 63. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
High: 63 °F
Tonight

Tonight: Showers, mainly after 10pm.  Low around 50. Southwest wind 5 to 10 mph becoming south after midnight.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Low: 50 °F
Friday

Friday: Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall.  High near 59. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
High: 59 °F
Friday
Night
Friday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers.  Mostly cloudy, with a low around 46. South wind around 5 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Low: 46 °F
Saturday

Saturday: A slight chance of showers before 10am.  Mostly sunny, with a high near 58. Southwest wind around 5 mph becoming northwest in the afternoon.  Chance of precipitation is 20%.
High: 58 °F
Saturday
Night
Saturday Night: Mostly clear, with a low around 42.
Low: 42 °F
Sunday

Sunday: Sunny, with a high near 63.
High: 63 °F
Sunday
Night
Sunday Night: Mostly clear, with a low around 45.
Low: 45 °F
Monday

Monday: Sunny, with a high near 66.
High: 66 °F
Chance
Showers

Showers

Heavy Rain

Showers
Likely then
Chance
Showers
Slight Chance
Showers then
Sunny
Mostly Clear

Sunny

Mostly Clear

Sunny

Flood Watch


Christmas Day
 
A chance of showers. Mostly cloudy, with a high near 63. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
 
Showers, mainly after 10pm. Low around 50. Southwest wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
 
Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 59. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday Night
 
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Mostly cloudy, with a low around 46. South wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
 
A slight chance of showers before 10am. Mostly sunny, with a high near 58. Southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Saturday Night
 
Mostly clear, with a low around 42.
Sunday
 
Sunny, with a high near 63.
Sunday Night
 
Mostly clear, with a low around 45.
Monday
 
Sunny, with a high near 66.
Monday Night
 
Mostly clear, with a low around 47.
Tuesday
 
Sunny, with a high near 70.
Tuesday Night
 
A slight chance of showers. Partly cloudy, with a low around 48.
Wednesday
 
A chance of showers. Partly sunny, with a high near 71.

Forecast from NOAA-NWS for Fontana.



 


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

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