Hazardous Weather Conditions
Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
77°F
25°C
| Humidity | 66% |
| Wind Speed | NE 0 MPH |
| Barometer | NA |
| Dewpoint | 65°F (18°C) |
| Visibility | NA |
| Heat Index | 79°F (26°C) |
| Last update | 03 Aug 09:00 AM PDT |
Extended Forecast for
3 Miles SW Fontana CA
Extreme Heat Warning August 3, 10:54am until August 3, 08:00pm
NOW until 8:00pm Mon
Extreme Heat Warning
Today
High: 99 °F
Sunny
Tonight
Low: 68 °F
Clear
Tuesday
High: 97 °F
Sunny
Tuesday Night
Low: 68 °F
Clear
Wednesday
High: 97 °F
Sunny
Wednesday Night
Low: 68 °F
Clear
Thursday
High: 97 °F
Sunny
Thursday Night
Low: 70 °F
Clear
Detailed Forecast
Today
Sunny, with a high near 99. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 68. West wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 97. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Clear, with a low around 68. Southwest wind 5 to 10 mph becoming light west after midnight.
Wednesday
Sunny, with a high near 97. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
Clear, with a low around 68.
Thursday
Sunny, with a high near 97.
Thursday Night
Clear, with a low around 70.
Friday
Sunny, with a high near 99.
Friday Night
Clear, with a low around 70.
Saturday
Sunny, with a high near 98.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 96.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SW Fontana CA
34.07°N 117.48°W (Elev. 1070 ft)
34.07°N 117.48°W (Elev. 1070 ft)
5:27 am PDT Aug 3, 2026
10am PDT Aug 3, 2026-6pm PDT Aug 9, 2026
Additional Resources
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