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.

Clear

86°F

30°C

Humidity 12%
Wind Speed WSW 14 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Jul 04:20 PM PDT
Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

  • Tonight

    Tonight: Mostly clear, with a low around 62. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Light southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Southwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers after 11am. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 87. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, sunny, with a high near 89.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 62. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 86. Light southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 62. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 88. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 63. Southwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Friday
A slight chance of showers after 11am. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 87. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 63.
Saturday
Patchy fog before 11am. Otherwise, sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Patchy fog before 11am. Otherwise, sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Mostly sunny, with a high near 90.
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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:
4:33 pm PDT Jul 15, 2025
Forecast Valid:
4pm PDT Jul 15, 2025-6pm PDT Jul 22, 2025
 
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