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

63°F

17°C

Humidity 85%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Last update 21 Jun 12:00 AM PDT
Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 59. West wind around 5 mph becoming calm.

    Low: 59 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 77. Southeast wind 5 to 10 mph becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 56 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 83. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56.

    Low: 56 °F

    Patchy Fog

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 59. West wind around 5 mph becoming calm.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 77. Southeast wind 5 to 10 mph becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 83. West wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 83.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Patchy fog before 11am. Otherwise, sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Rancho Cucamonga CA
 34.09°N 117.53°W (Elev. 1106 ft)
Last Update:
1:16 am PDT Jun 21, 2025
Forecast Valid:
1am PDT Jun 21, 2025-6pm PDT Jun 27, 2025
 
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