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

67°F

19°C

Humidity 69%
Wind Speed WSW 6 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 26 Jun 10:00 PM PDT
Extended Forecast for

3 Miles E Rancho Cucamonga CA

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 57. West wind around 5 mph becoming calm after midnight.

    Low: 57 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy drizzle before 11am. Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 79. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 79 °F

    Patchy
    Drizzle and
    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy drizzle after 11pm. Increasing clouds, with a low around 57. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 57 °F

    Patchy
    Drizzle

  • Sunday

    Sunday: Patchy drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 75. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Patchy
    Drizzle then
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 56. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 78.

    High: 78 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 57. West wind around 5 mph becoming calm after midnight.
Saturday
Patchy drizzle before 11am. Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 79. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Patchy drizzle after 11pm. Increasing clouds, with a low around 57. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Patchy drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 75. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Increasing clouds, with a low around 56. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Rancho Cucamonga CA
 34.11°N 117.51°W (Elev. 1198 ft)
Last Update:
1:02 pm PDT Jun 26, 2026
Forecast Valid:
11pm PDT Jun 26, 2026-6pm PDT Jul 3, 2026
 
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