National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Ontario International Airport (KONT)

Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.

Partly Cloudy

75°F

24°C

Humidity 34%
Wind Speed W 12 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 15 Apr 12:53 PM PDT
Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 74. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 74 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Breezy, with a south wind 5 to 10 mph becoming north 15 to 25 mph. Winds could gust as high as 35 mph.

    Low: 50 °F

    Partly Cloudy
    then Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 78. Breezy, with a north wind 15 to 25 mph decreasing to 5 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 78 °F

    Sunny and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 53. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.
Thursday
Partly sunny, with a high near 74. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 50. Breezy, with a south wind 5 to 10 mph becoming north 15 to 25 mph. Winds could gust as high as 35 mph.
Friday
Sunny, with a high near 78. Breezy, with a north wind 15 to 25 mph decreasing to 5 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
Mostly clear, with a low around 51.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 75.
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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:
11:57 am PDT Apr 15, 2026
Forecast Valid:
1pm PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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