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.

Clear

56°F

13°C

Humidity 83%
Wind Speed WSW 3 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 10 Mar 11:53 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

  • Overnight

    Overnight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52. West wind around 5 mph.

    Low: 52 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 84. Light and variable 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 57. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 57 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Light and variable wind becoming northeast 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 61. North wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Friday Night

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

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52. West wind around 5 mph.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 84. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Clear, with a low around 57. 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 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Clear, with a low around 61. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 94.
Friday Night
Mostly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 97.
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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:
10:12 pm PDT Mar 10, 2026
Forecast Valid:
12am PDT Mar 11, 2026-6pm PDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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