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

87°F

31°C

Humidity 31%
Wind Speed W 11 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 25 Mar 03:53 PM PDT
Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind 10 to 15 mph becoming light south after midnight. Winds could gust as high as 25 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 59. West wind 10 to 15 mph becoming light south after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 88. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 62. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 90. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 63. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Saturday
Partly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 60.
Monday
Mostly cloudy, with a high near 84.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 75.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 54.
Wednesday
A slight chance of showers. Partly sunny, with a high near 72.
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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:
11:51 am PDT Mar 25, 2026
Forecast Valid:
4pm PDT Mar 25, 2026-6pm PDT Apr 1, 2026
 
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