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

67°F

19°C

Humidity 68%
Wind Speed WSW 6 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Last update 29 Jun 09:00 PM PDT
Extended Forecast for

Fontana CA

  • Tonight

    Tonight: Patchy drizzle after 2am. Patchy fog between 11pm and 2am. Otherwise, increasing clouds, with a low around 57. West wind 5 to 10 mph.

    Low: 57 °F

    Patchy Fog
    then Patchy
    Drizzle and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy drizzle before 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Patchy
    Drizzle then
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 56. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy drizzle after 2am. Patchy fog between 11pm and 2am. Otherwise, increasing clouds, with a low around 57. West wind 5 to 10 mph.
Tuesday
Patchy drizzle before 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Increasing clouds, with a low around 56. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 56. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 60.
Independence Day
Mostly sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fontana CA
 34.1°N 117.43°W (Elev. 1296 ft)
Last Update:
8:38 pm PDT Jun 29, 2026
Forecast Valid:
10pm PDT Jun 29, 2026-6pm PDT Jul 6, 2026
 
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