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

57°F

14°C

Humidity 85%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 30 Apr 08:00 AM PDT
Extended Forecast for

Fontana CA

  • Today

    Today: Sunny, with a high near 78. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Clear

  • Friday

    Friday: Patchy fog before 11am. Otherwise, sunny, with a high near 83. Light south wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Sunday Night

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

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Clear, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Patchy fog before 11am. Otherwise, sunny, with a high near 83. Light south wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 84. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fontana CA
 34.1°N 117.43°W (Elev. 1296 ft)
Last Update:
12:23 am PDT Apr 30, 2026
Forecast Valid:
9am PDT Apr 30, 2026-6pm PDT May 6, 2026
 
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Additional Resources

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Chance of Precipitation