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

59°F

15°C

Humidity 88%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 20 Jun 03:00 AM PDT
Extended Forecast for

3 Miles ESE Rancho Cucamonga CA

  • Today

    Today: Sunny, with a high near 80. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 58. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 81. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 81 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 80. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Increasing clouds, with a low around 58. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 81. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 60. Southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 90.
Thursday Night
Clear, with a low around 62.
Friday
Sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Rancho Cucamonga CA
 34.11°N 117.54°W (Elev. 1161 ft)
Last Update:
12:45 am PDT Jun 20, 2026
Forecast Valid:
4am PDT Jun 20, 2026-6pm PDT Jun 26, 2026
 
Forecast Discussion
 
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