National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Impacts from Rachel

Latest information on impacts from Rachel Read More >

Current conditions at

Fontana-Arrow Highway (CQ057)

Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.

NA

69°F

21°C

Humidity 64%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Last update 10 Oct 04:00 AM PDT
Extended Forecast for

Fontana CA

  • Today

    Today: Mostly cloudy, with a high near 85. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 85 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers likely, mainly after 11pm. Cloudy, with a low around 63. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely. The rain could be heavy at times. Cloudy, with a high near 72. North wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers. Low around 54. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Showers

  • Columbus Day

    Columbus Day: Showers. High near 64. South wind around 5 mph becoming southwest in the morning. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 85. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Showers likely, mainly after 11pm. Cloudy, with a low around 63. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers likely. The rain could be heavy at times. Cloudy, with a high near 72. North wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers. Low around 54. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Columbus Day
Showers. High near 64. South wind around 5 mph becoming southwest in the morning. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 83.
Thursday Night
Clear, with a low around 61.
Friday
Sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fontana CA
 34.07°N 117.45°W (Elev. 1132 ft)
Last Update:
2:45 am PDT Oct 10, 2026
Forecast Valid:
5am PDT Oct 10, 2026-6pm PDT Oct 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation