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

88°F

31°C

Humidity 30%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Heat Index86°F (30°C)
Last update 24 Mar 03:00 PM PDT
Extended Forecast for

3 Miles ESE Rancho Cucamonga CA

  • Tonight

    Tonight: Mostly clear, with a low around 60. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 60. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 60 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 92.

    High: 92 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 60. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 89. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 60. West wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 62. West wind 5 to 10 mph becoming light and variable in the evening.
Friday
Mostly sunny, with a high near 92.
Friday Night
Mostly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly cloudy, with a high near 83.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Rancho Cucamonga CA
 34.11°N 117.54°W (Elev. 1161 ft)
Last Update:
10:44 am PDT Mar 24, 2026
Forecast Valid:
4pm PDT Mar 24, 2026-6pm PDT Mar 31, 2026
 
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Additional Resources

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Chance of Precipitation