Current conditions at

Ontario International Airport (KONT)

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

Partly Cloudy

59°F

15°C

Humidity 72%
Wind Speed S 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 04 Mar 08:53 AM PST
Extended Forecast for

Rancho Cucamonga CA

  • Today

    Today: Sunny, with a high near 75. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 49. Southwest wind 5 to 10 mph.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, sunny, with a high near 72. West wind 10 to 20 mph becoming northeast in the afternoon. Winds could gust as high as 30 mph.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71. Northeast wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 71 °F

    Sunny

  • Friday Night

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

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy blowing dust. Sunny, with a high near 73. Breezy.

    High: 73 °F

    Patchy
    Blowing Dust
    and Breezy

  • Saturday Night

    Saturday Night: Patchy blowing dust after 1am. Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Blowing Dust

  • Sunday

    Sunday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 75. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 49. Southwest wind 5 to 10 mph.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 72. West wind 10 to 20 mph becoming northeast in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Clear, with a low around 49. North wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 71. Northeast wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Mostly clear, with a low around 52.
Saturday
Patchy blowing dust. Sunny, with a high near 73. Breezy.
Saturday Night
Patchy blowing dust after 1am. Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Rancho Cucamonga CA
 34.1°N 117.57°W (Elev. 1198 ft)
1:36 am PST Mar 4, 2026
9am PST Mar 4, 2026-6pm PDT Mar 10, 2026
 
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