Current conditions at

Ontario International Airport (KONT)

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

Rain

62°F

17°C

Humidity 39%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 30 Dec 11:53 AM PST
Extended Forecast for

Ontario CA

Flood Watch December 31, 10:00pm until January 1, 10:00pm
Wind Advisory December 30, 12:01pm until December 30, 01:00pm
Click here for hazard details and duration
Flood Watch
...
  •  
    Wind Advisory December 30, 12:01pm until December 30, 01:00pm

    NOW until 1:00pm Tue

    Wind Advisory

  • This Afternoon

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of sprinkles before 10pm, then a chance of showers after 4am.  Mostly cloudy, with a low around 55. East wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 10am.  Mostly cloudy, with a high near 66. East wind around 5 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers. The rain could be heavy at times.  Low around 55. East wind around 5 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 55 °F

    Heavy Rain

  • New Year's Day

    New Year's Day: Showers, mainly before 4pm. The rain could be heavy at times.  High near 64. East wind around 5 mph becoming south in the afternoon.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 10pm.  Partly cloudy, with a low around 53. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 73. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
A slight chance of sprinkles before 10pm, then a chance of showers after 4am. Mostly cloudy, with a low around 55. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday
Showers likely, mainly after 10am. Mostly cloudy, with a high near 66. East wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers. The rain could be heavy at times. Low around 55. East wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
New Year's Day
Showers, mainly before 4pm. The rain could be heavy at times. High near 64. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers, mainly before 10pm. Partly cloudy, with a low around 53. Chance of precipitation is 50%.
Friday
Mostly cloudy, with a high near 64.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53.
Saturday
A chance of showers. Mostly cloudy, with a high near 65.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 50.
Sunday
A chance of showers. Partly sunny, with a high near 64.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 47.
Monday
A slight chance of showers. Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario CA
 34.03°N 117.61°W (Elev. 823 ft)
10:54 am PST Dec 30, 2025
12pm PST Dec 30, 2025-6pm PST Jan 5, 2026
 
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Additional Resources

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