Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
90°F
32°C
| Humidity | 27% |
| Wind Speed | W 6 MPH |
| Barometer | 30.07 in (1018.29 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 02 Aug 01:35 PM PDT |
Extended Forecast for
Rancho Cucamonga CA
This Afternoon
High: 92 °F
Sunny
Tonight
Low: 64 °F
Mostly Clear
Sunday
High: 93 °F
Sunny
Sunday Night
Low: 65 °F
Mostly Clear
Monday
High: 94 °F
Sunny
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 95 °F
Sunny
Tuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 97 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 92. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 64. West wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Sunny, with a high near 93. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 65. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 94. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 97.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 98.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 97.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Rancho Cucamonga CA
34.12°N 117.6°W (Elev. 1368 ft)
34.12°N 117.6°W (Elev. 1368 ft)
1:04 pm PDT Aug 2, 2025
1pm PDT Aug 2, 2025-6pm PDT Aug 8, 2025
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