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

72°F

22°C

Humidity 56%
Wind Speed SW 11 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 08 Apr 07:20 PM PDT
Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

  • Tonight

    Tonight: Increasing clouds, with a low around 57. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 80. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 80 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 11pm. Partly cloudy, with a low around 55. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 67. Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 11am. Partly sunny, with a high near 63.

    High: 63 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 11pm. Partly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 57. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Thursday
Partly sunny, with a high near 80. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 56. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 76. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A chance of showers after 11pm. Partly cloudy, with a low around 55. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Sunday
Showers likely, mainly before 11am. Partly sunny, with a high near 63.
Sunday Night
A chance of showers before 11pm. Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 79.
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:
12:31 pm PDT Apr 8, 2026
Forecast Valid:
7pm PDT Apr 8, 2026-6pm PDT Apr 15, 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