Current conditions at

Fontana-Arrow Highway (CQ057)

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

NA

59°F

15°C

Humidity 48%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 14 Mar 08:00 AM PDT
Extended Forecast for

3 Miles S Rialto CA

Extreme Heat Watch March 16, 10:00am until March 20, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Today

    Today: Sunny, with a high near 85. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 57. West wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 92. Breezy, with a north wind 10 to 15 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.

    High: 92 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. North wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. North wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 100.

    High: 100 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 100.

    High: 100 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 85. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Clear, with a low around 57. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 92. Breezy, with a north wind 10 to 15 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.
Sunday Night
Mostly clear, with a low around 64. North wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 96. North wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 100.
Tuesday Night
Clear, with a low around 68.
Wednesday
Sunny, with a high near 100.
Wednesday Night
Clear, with a low around 69.
Thursday
Sunny, with a high near 103.
Thursday Night
Clear, with a low around 71.
Friday
Sunny, with a high near 104.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Rialto CA
 34.08°N 117.4°W (Elev. 1125 ft)
2:13 am PDT Mar 14, 2026
9am PDT Mar 14, 2026-6pm PDT Mar 20, 2026
 
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Additional Resources

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