Current conditions at

Ontario International Airport (KONT)

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

haze

66°F

19°C

Humidity 72%
Wind Speed W 3 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 57°F (14°C)
Visibility 6.00 mi
Last update 20 Jun 09:30 AM PDT
Extended Forecast for

Ontario CA

  • Today

    Today: Sunny, with a high near 83. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 59. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 78. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 58. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 82. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog before 11am.  Otherwise, sunny, with a high near 83.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm.  Otherwise, increasing clouds, with a low around 57.

    Low: 57 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 83. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 59. West wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 78. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 58. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 58.
Monday
Patchy fog before 11am. Otherwise, sunny, with a high near 83.
Monday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 57.
Tuesday
Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81.
Tuesday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 58.
Wednesday
Patchy fog. Otherwise, partly sunny, then gradually becoming sunny, with a high near 86.
Wednesday Night
Patchy fog. Otherwise, increasing clouds, with a low around 61.
Thursday
Patchy fog. Otherwise, partly sunny, then gradually becoming sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Ontario CA
 34.05°N 117.61°W (Elev. 902 ft)
2:56 am PDT Jun 20, 2025
9am PDT Jun 20, 2025-6pm PDT Jun 26, 2025
 
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