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

56°F

13°C

Humidity 84%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 07 Apr 04:00 AM PDT
Extended Forecast for

3 Miles ESE Rancho Cucamonga CA

  • Today

    Today: Sunny, with a high near 81. Light south wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. Southwest wind 5 to 10 mph becoming light in the evening.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, 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

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 80. Light south wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 80 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers after 11am. Mostly sunny, with a high near 76. Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 66.

    High: 66 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 81. Light south wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Clear, with a low around 58. Southwest wind 5 to 10 mph becoming light in the evening.
Wednesday
Sunny, with a high near 82. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Increasing clouds, 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.
Thursday
Partly sunny, with a high near 80. Light south wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 56.
Friday
A slight chance of showers after 11am. Mostly sunny, with a high near 76. Chance of precipitation is 20%.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 55.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 66.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52.
Sunday
A chance of showers. Partly sunny, with a high near 66.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 69.
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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:
1:37 am PDT Apr 7, 2026
Forecast Valid:
6am PDT Apr 7, 2026-6pm PDT Apr 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation