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

Hazardous Weather Conditions

Current conditions at

Ontario International Airport (KONT)

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

Partly Cloudy

66°F

19°C

Humidity 55%
Wind Speed SW 6 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 10 Mar 01:20 PM PDT
Extended Forecast for

2 Miles SSE Ontario CA

Heat Advisory March 12, 10:00am until March 13, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 84. Light southwest wind becoming west 5 to 10 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Light and variable wind becoming northeast 15 to 20 mph in the morning. Winds could gust as high as 30 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Friday

    Friday: Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Wednesday
Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 84. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Clear, with a low around 58. West wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 94. Light and variable wind becoming northeast 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Thursday Night
Clear, with a low around 61.
Friday
Mostly sunny, with a high near 96.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Sunny, with a high near 92.
Saturday Night
Clear, with a low around 58.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Ontario CA
 34.03°N 117.58°W (Elev. 853 ft)
Last Update:
12:06 pm PDT Mar 10, 2026
Forecast Valid:
1pm PDT Mar 10, 2026-6pm PDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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