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

Fontana-Arrow Highway (CQ057)

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

NA

63°F

17°C

Humidity 67%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 13 Nov 11:00 AM PST
Extended Forecast for

Fontana CA

  • This Afternoon

    This Afternoon: Showers likely, mainly before 4pm. Mostly cloudy, with a high near 66. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers, mainly after 10pm. Low around 55. South wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Showers

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 66. Calm wind becoming south around 5 mph.

    High: 66 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Northeast wind around 5 mph becoming calm after midnight.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Partly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm, then showers after 10pm. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 62.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers likely, mainly before 4pm. Mostly cloudy, with a high near 66. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly after 10pm. Low around 55. South wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 66. Calm wind becoming south around 5 mph.
Saturday Night
Mostly clear, with a low around 51. Northeast wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 66. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm, then showers after 10pm. Mostly cloudy, with a low around 51.
Tuesday
A chance of showers, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 63.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48.
Thursday
A chance of showers. Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fontana CA
 34.12°N 117.46°W (Elev. 1381 ft)
Last Update:
10:34 am PST Nov 13, 2026
Forecast Valid:
12pm PST Nov 13, 2026-6pm PST Nov 19, 2026
 
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Additional Resources

Radar & Satellite Image

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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