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

73°F

23°C

Humidity 33%
Wind Speed SW 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 17 Apr 01:15 PM PDT
Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

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

    NOW until 5:00pm Fri

    Wind Advisory

  • This Afternoon

    High: 78 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 52. West wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Saturday

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

    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. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    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 80.

    High: 80 °F

    Sunny

  • Monday Night

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

    Low: 52 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 78. Breezy, with a north wind 15 to 25 mph, with gusts as high as 35 mph.
Tonight
Mostly clear, with a low around 52. West 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.
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. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 52.
Tuesday
A slight chance of showers after 11am. Sunny, with a high near 74.
Tuesday Night
A slight chance of showers before 11pm. Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
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:
12:49 pm PDT Apr 17, 2026
Forecast Valid:
1pm PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation