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

Impacts from Rachel

Latest information on impacts from Rachel Read More >

Current conditions at

Ontario International Airport (KONT)

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

Rain

64°F

18°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.42 in (996.28 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 11 Oct 02:30 AM PDT
Extended Forecast for

Ontario International Arpt CA

  • Overnight

    Overnight: Showers. Low around 63. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers

  • Sunday

    Sunday: Showers. High near 69. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 69 °F

    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly after 11pm. Cloudy, with a low around 57. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: Showers likely. Cloudy, with a high near 63. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 53. West wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

Detailed Forecast

Overnight
Showers. Low around 63. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers. High near 69. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers likely, mainly after 11pm. Cloudy, with a low around 57. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Columbus Day
Showers likely. Cloudy, with a high near 63. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 53. West wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Clear, with a low around 52.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny, with a high near 84.
Thursday Night
Clear, with a low around 63.
Friday
Sunny, with a high near 87.
Friday Night
Clear, with a low around 64.
Saturday
Sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario International Arpt CA
 34.06°N 117.58°W (Elev. 906 ft)
Last Update:
2:27 am PDT Oct 11, 2026
Forecast Valid:
2am PDT Oct 11, 2026-6pm PDT Oct 17, 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