Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
82°F
28°C
| Humidity | 37% |
| Wind Speed | SW 8 MPH |
| Barometer | 29.93 in (1013.55 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 17 Aug 08:05 PM PDT |
Extended Forecast for
3 Miles SSE Rancho Cucamonga CA
Tonight
Low: 69 °F
Mostly Clear
Tuesday
High: 97 °F
Sunny
Tuesday Night
Low: 70 °F
Partly Cloudy
Wednesday
High: 98 °F
Sunny
Wednesday Night
Low: 71 °F
Mostly Clear
Thursday
High: 99 °F
Sunny
Thursday Night
Low: 71 °F
Mostly Clear
Friday
High: 98 °F
Sunny
Friday Night
Low: 71 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 97. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 98. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 71. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 99.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 98.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 98.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 97.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 96.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
3:03 pm PDT Aug 17, 2026
8pm PDT Aug 17, 2026-6pm PDT Aug 24, 2026
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