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

60°F

16°C

Humidity 83%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 01 May 12:00 AM PDT
Extended Forecast for

3 Miles ESE Rancho Cucamonga CA

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 55. West wind around 5 mph becoming calm.

    Low: 55 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 82. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 53.

    Low: 53 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 55. West wind around 5 mph becoming calm.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 82. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 57. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 84. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 56. West wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 74.
Sunday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 53.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 86.
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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:
12:09 am PDT May 1, 2026
Forecast Valid:
1am PDT May 1, 2026-6pm PDT May 7, 2026
 
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