National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Ontario International Airport (KONT)

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

Clear

56°F

13°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 17 Apr 02:53 AM PDT
Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

Wind Advisory April 17, 05:00am until April 17, 05:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 51. Southwest wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Breezy, with a north wind 10 to 15 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.

    High: 78 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Southwest wind around 5 mph.
Friday
Sunny, with a high near 78. Breezy, with a north wind 10 to 15 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.
Friday Night
Clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 56. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 52.
Tuesday
A slight chance of showers after 11am. Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Rancho Cucamonga CA
 34.09°N 117.53°W (Elev. 1106 ft)
Last Update:
12:05 am PDT Apr 17, 2026
Forecast Valid:
3am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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