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.

Clear

61°F

16°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 30 Oct 11:35 PM PDT
Extended Forecast for

2 Miles SW Rancho Cucamonga CA

  • Tonight

    Tonight: A slight chance of rain. Mostly cloudy, with a low around 56. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 70. Northeast wind around 5 mph becoming calm in the morning.

    High: 70 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers. Low around 58. West wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 67. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. Southwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain. Mostly cloudy, with a low around 56. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 70. Northeast wind around 5 mph becoming calm in the morning.
Saturday Night
Showers. Low around 58. West wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 67. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Partly cloudy, with a low around 54. Southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Rancho Cucamonga CA
 34.1°N 117.59°W (Elev. 1224 ft)
Last Update:
8:40 pm PDT Oct 30, 2026
Forecast Valid:
11pm PDT Oct 30, 2026-6pm PST Nov 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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