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

51°F

11°C

Humidity 71%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 28 Apr 03:53 AM PDT
Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

  • Today

    Today: Sunny, with a high near 75. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 52. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Light west wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 75. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Clear, with a low around 52. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 76. Light west wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 54. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 78. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Rancho Cucamonga CA
 34.09°N 117.53°W (Elev. 1106 ft)
Last Update:
1:33 am PDT Apr 28, 2026
Forecast Valid:
4am PDT Apr 28, 2026-6pm PDT May 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation