Hazardous Weather Conditions
Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
77°F
25°C
| Humidity | 61% |
| Wind Speed | SW 4 MPH |
| Barometer | 29.88 in (1011.85 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 9.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 04 Aug 10:20 AM PDT |
Extended Forecast for
Rancho Cucamonga CA
Heat Advisory until August 8, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
Today
High: 95 °F
Sunny
Tonight
Low: 68 °F
Mostly Clear
Wednesday
High: 96 °F
Sunny
Wednesday Night
Low: 68 °F
Mostly Clear
Thursday
High: 98 °F
Sunny
Thursday Night
Low: 69 °F
Mostly Clear
Friday
High: 96 °F
Sunny
Friday Night
Low: 70 °F
Mostly Clear
Detailed Forecast
Today
Sunny, with a high near 95. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 68. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 96. Light south wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 68. West wind 5 to 10 mph becoming light in the evening.
Thursday
Sunny, with a high near 98. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 98.
Saturday Night
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 94.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Rancho Cucamonga CA
34.1°N 117.59°W (Elev. 1224 ft)
34.1°N 117.59°W (Elev. 1224 ft)
3:01 am PDT Aug 4, 2026
10am PDT Aug 4, 2026-6pm PDT Aug 10, 2026
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