Current conditions at

Fontana-Arrow Highway (CQ057)

Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.

NA

78°F

26°C

Humidity 52%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Heat Index79°F (26°C)
Last update 28 Sep 02:00 PM PDT
Extended Forecast for

3 Miles S Rialto CA

  • Tonight

    Tonight: Increasing clouds, with a low around 62. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 83. West wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Light west wind increasing to 5 to 10 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Thursday Night

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

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 62. West wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 83. West wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 60. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Tuesday
Mostly sunny, with a high near 81. Light west wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. West wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Rialto CA
 34.06°N 117.39°W (Elev. 1056 ft)
12:58 pm PDT Sep 28, 2025
3pm PDT Sep 28, 2025-6pm PDT Oct 5, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database