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.

Mist

18°C

64°F

Humidity 88%
Wind Speed SSW 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 16°C (61°F)
Visibility 4.02 km
Last update 13 Jul 07:20 AM PDT
Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

  • Today

    Today: Sunny, with a high near 32. Southwest wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 35 km/h.

    High: 32 °C

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 17. Southwest wind 10 to 15 km/h decreasing to 5 to 10 km/h after midnight.

    Low: 17 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 33. Southwest wind 5 to 15 km/h increasing to 15 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h.

    High: 33 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. West wind 15 to 20 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.

    Low: 17 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 31. Southwest wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 30 km/h.

    High: 31 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 16.

    Low: 16 °C

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 31.

    High: 31 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16.

    Low: 16 °C

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 31.

    High: 31 °C

    Sunny

Detailed Forecast

Today
Sunny, with a high near 32. Southwest wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 35 km/h.
Tonight
Mostly clear, with a low around 17. Southwest wind 10 to 15 km/h decreasing to 5 to 10 km/h after midnight.
Monday
Sunny, with a high near 33. Southwest wind 5 to 15 km/h increasing to 15 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h.
Monday Night
Mostly clear, with a low around 17. West wind 15 to 20 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.
Tuesday
Sunny, with a high near 31. Southwest wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 30 km/h.
Tuesday Night
Clear, with a low around 16.
Wednesday
Sunny, with a high near 31.
Wednesday Night
Mostly clear, with a low around 16.
Thursday
Sunny, with a high near 31.
Thursday Night
Mostly clear, with a low around 17.
Friday
Sunny, with a high near 32.
Friday Night
Mostly clear, with a low around 18.
Saturday
Sunny, with a high near 33.
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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 m)
Last Update:
12:55 am PDT Jul 13, 2025
Forecast Valid:
7am PDT Jul 13, 2025-6pm PDT Jul 19, 2025
 
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Additional Resources

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