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

82°F

28°C

Humidity 47%
Wind Speed W 8 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Jul 11:53 AM PDT
Extended Forecast for

2 Miles SSW Rancho Cucamonga CA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 63. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 63. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 89. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 61. West wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Clear, with a low around 62.
Thursday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Rancho Cucamonga CA
 34.1°N 117.59°W (Elev. 1224 ft)
Last Update:
8:27 am PDT Jul 18, 2025
Forecast Valid:
12pm PDT Jul 18, 2025-6pm PDT Jul 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation