Current conditions at

Fontana-Arrow Highway (CQ057)

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

NA

85°F

29°C

Humidity 20%
Wind Speed W 6 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index82°F (28°C)
Last update 05 Sep 08:00 PM PDT
Extended Forecast for

3 Miles S Rialto CA

  • Tonight

    Tonight: A slight chance of showers after 11pm.  Increasing clouds, with a low around 69. South wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 11am.  Cloudy, with a high near 83. Calm wind.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 83 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of showers before 11pm.  Partly cloudy, with a low around 69. West wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 92. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. West wind around 5 mph becoming calm  after midnight.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers after 11pm. Increasing clouds, with a low around 69. South wind around 5 mph becoming calm. Chance of precipitation is 20%.
Sunday
Showers likely, mainly before 11am. Cloudy, with a high near 83. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A slight chance of showers before 11pm. Partly cloudy, with a low around 69. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Labor Day
Sunny, with a high near 92. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 71. West wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Sunny, with a high near 98.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 97.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Rialto CA
 34.08°N 117.4°W (Elev. 1125 ft)
1:35 pm PDT Sep 5, 2026
9pm PDT Sep 5, 2026-6pm PDT Sep 12, 2026
 
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Additional Resources

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