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.

Mist

57°F

14°C

Humidity 82%
Wind Speed W 3 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 52°F (11°C)
Visibility 6.00 mi
Last update 04 May 04:20 AM PDT
Extended Forecast for

Ontario CA

  • Overnight

    Overnight: Cloudy, with a low around 55. West wind around 5 mph.

    Low: 55 °F

    Cloudy

  • Saturday

    Saturday: Patchy drizzle before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 69. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 69 °F

    Patchy
    Drizzle then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 11pm. Mostly cloudy, with a low around 51. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 66. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. Southwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

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

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Cloudy, with a low around 55. West wind around 5 mph.
Saturday
Patchy drizzle before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 69. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A chance of showers after 11pm. Mostly cloudy, with a low around 51. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly sunny, with a high near 66. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 48. Southwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 84.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Ontario CA
 34.05°N 117.61°W (Elev. 902 ft)
Last Update:
2:36 am PDT May 4, 2024
Forecast Valid:
4am PDT May 4, 2024-6pm PDT May 10, 2024
 
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