Current conditions at

Ontario International Airport (KONT)

Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.

Clear

75°F

24°C

Humidity 44%
Wind Speed WSW 4 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 17 Aug 11:05 PM PDT
Extended Forecast for

2 Miles SW Rancho Cucamonga CA

  • Tonight

    Tonight: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 98. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 99.

    High: 99 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 69. Calm wind.
Tuesday
Sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 98. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 99.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 98.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 97.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Rancho Cucamonga CA
 34.1°N 117.59°W (Elev. 1224 ft)
3:03 pm PDT Aug 17, 2026
11pm PDT Aug 17, 2026-6pm PDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database