Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Mostly Cloudy
67°F
19°C
| Humidity | 78% |
| Wind Speed | SW 4 MPH |
| Barometer | 30.06 in (1017.95 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 17 Sep 05:53 AM PDT |
Extended Forecast for
3 Miles SSE Rancho Cucamonga CA
Today

High: 81 °F
Sunny
Tonight

Low: 60 °F
Mostly Clear
Friday

High: 82 °F
Sunny
Friday Night

Low: 62 °F
Clear
Saturday

High: 88 °F
Sunny
Saturday Night

Low: 65 °F
Mostly Clear
Sunday

High: 87 °F
Mostly Sunny
Sunday Night

Low: 63 °F
Partly Cloudy
Monday

High: 83 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 81. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 60. West wind 5 to 10 mph becoming light southwest after midnight.
Friday
Sunny, with a high near 82. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Friday Night
Clear, with a low around 62. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 88. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 90.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSE Rancho Cucamonga CA
34.09°N 117.53°W (Elev. 1106 ft)
34.09°N 117.53°W (Elev. 1106 ft)
3:26 am PDT Sep 17, 2026
6am PDT Sep 17, 2026-6pm PDT Sep 23, 2026


