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

54°F

12°C

Humidity 84%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 15 Apr 03:00 AM PDT
Extended Forecast for

5 Miles S Fontana CA

  • Today

    Today: Sunny, with a high near 75. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 25 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 72. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 72 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Windy, with an east wind 5 to 10 mph becoming north 25 to 35 mph. Winds could gust as high as 50 mph.

    Low: 52 °F

    Mostly Clear
    then Clear
    and Windy

  • Friday

    Friday: Sunny, with a high near 76. Windy, with a north wind 25 to 30 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 76 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 75. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Increasing clouds, with a low around 53. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 25 mph.
Thursday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 72. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 52. Windy, with an east wind 5 to 10 mph becoming north 25 to 35 mph. Winds could gust as high as 50 mph.
Friday
Sunny, with a high near 76. Windy, with a north wind 25 to 30 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 50 mph.
Friday Night
Clear, with a low around 53.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Fontana CA
 34.03°N 117.47°W (Elev. 1624 ft)
Last Update:
12:09 am PDT Apr 15, 2026
Forecast Valid:
4am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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