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.

Partly Cloudy

63°F

17°C

Humidity 67%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 Nov 10:35 AM PST
Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

  • Today

    Today: Sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71. Calm wind becoming southwest around 5 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers after 4pm. Mostly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers before 10am. Mostly sunny, with a high near 65. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 50. Calm wind.
Sunday
Sunny, with a high near 71. Calm wind becoming southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 52. Calm wind.
Monday
A chance of showers after 4pm. Mostly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Tuesday
A chance of showers before 10am. Mostly sunny, with a high near 65. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
A chance of showers after 10pm. Mostly cloudy, with a low around 47.
Thursday
Showers likely. Mostly cloudy, with a high near 62.
Thursday Night
Showers likely. Mostly cloudy, with a low around 46.
Friday
A chance of showers. Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Rancho Cucamonga CA
 34.09°N 117.53°W (Elev. 1106 ft)
Last Update:
10:34 am PST Nov 14, 2026
Forecast Valid:
10am PST Nov 14, 2026-6pm PST Nov 20, 2026
 
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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