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

60°F

16°C

Humidity 71%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 18 Apr 01:00 AM PDT
Extended Forecast for

5 Miles S Fontana CA

  • Overnight

    Overnight: Clear, with a low around 53. North wind 5 to 10 mph.

    Low: 53 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Monday Night

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

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. Breezy.

    Low: 52 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Overnight
Clear, with a low around 53. North wind 5 to 10 mph.
Saturday
Sunny, with a high near 82. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 57. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.
Sunday
Mostly sunny, with a high near 81. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 53. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 52. Breezy.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 52.
Friday
Mostly 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:
12:53 am PDT Apr 18, 2026
Forecast Valid:
3am PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation