Hazardous Weather Conditions
Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
94°F
34°C
| Humidity | 19% |
| Wind Speed | W 1 MPH |
| Barometer | NA |
| Dewpoint | 47°F (8°C) |
| Visibility | NA |
| Heat Index | 90°F (32°C) |
| Last update | 04 Oct 11:00 AM PDT |
Extended Forecast for
3 Miles ESE Rancho Cucamonga CA
Extreme Heat Warning October 4, 12:20pm until October 8, 08:00pm
NOW until 8:00pm Thu
Extreme Heat Warning
This Afternoon
High: 101 °F
Sunny
Tonight
Low: 74 °F
Clear
Monday
High: 100 °F
Sunny
Monday Night
Low: 73 °F
Mostly Clear
Tuesday
High: 99 °F
Sunny
Tuesday Night
Low: 74 °F
Clear
Wednesday
High: 100 °F
Sunny
Wednesday Night
Low: 72 °F
Clear
Detailed Forecast
This Afternoon
Sunny, with a high near 101. East wind 5 to 10 mph becoming south.
Tonight
Clear, with a low around 74. West wind around 5 mph becoming calm.
Monday
Sunny, with a high near 100. Northwest wind around 5 mph becoming calm.
Monday Night
Mostly clear, with a low around 73. South wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 99. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Clear, with a low around 74.
Wednesday
Sunny, with a high near 100.
Wednesday Night
Clear, with a low around 72.
Thursday
Sunny, with a high near 99.
Thursday Night
Clear, with a low around 71.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 68.
Saturday
Mostly sunny, with a high near 86.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles ESE Rancho Cucamonga CA
34.11°N 117.54°W (Elev. 1161 ft)
34.11°N 117.54°W (Elev. 1161 ft)
11:27 am PDT Oct 4, 2026
12pm PDT Oct 4, 2026-6pm PDT Oct 10, 2026
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