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 94%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Last update 26 Jun 05:00 AM PDT
Extended Forecast for

4 Miles SSW Rialto CA

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 84. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 58. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 81. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 58. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 77 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog before 11am. Otherwise, sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 84. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 58. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 81. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 58. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 56.
Monday
Patchy fog before 11am. Otherwise, sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Rialto CA
 34.06°N 117.39°W (Elev. 1056 ft)
Last Update:
4:22 am PDT Jun 26, 2026
Forecast Valid:
6am PDT Jun 26, 2026-6pm PDT Jul 2, 2026
 
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