Hazardous Weather Conditions
Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
91°F
33°C
| Humidity | 22% |
| Wind Speed | W 0 MPH |
| Barometer | NA |
| Dewpoint | 47°F (8°C) |
| Visibility | NA |
| Heat Index | 88°F (31°C) |
| Last update | 03 Oct 10:00 AM PDT |
Extended Forecast for
4 Miles SSW Rialto CA
Wind Advisory until October 3, 06:00pm
Extreme Heat Warning October 3, 11:42am until October 8, 08:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 104 °F
Sunny
Tonight
Low: 72 °F
Clear
Sunday
High: 102 °F
Sunny
Sunday Night
Low: 73 °F
Mostly Clear
Monday
High: 102 °F
Sunny
Monday Night
Low: 74 °F
Clear
Tuesday
High: 101 °F
Sunny
Tuesday Night
Low: 73 °F
Clear
Detailed Forecast
Today
Sunny, with a high near 104. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Clear, with a low around 72. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 102. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm.
Monday
Sunny, with a high near 102. Northeast wind around 5 mph becoming calm in the morning.
Monday Night
Clear, with a low around 74.
Tuesday
Sunny, with a high near 101.
Tuesday Night
Clear, with a low around 73.
Wednesday
Sunny, with a high near 101.
Wednesday Night
Clear, with a low around 72.
Thursday
Sunny, with a high near 100.
Thursday Night
Clear, with a low around 72.
Friday
Sunny, with a high near 96.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Rialto CA
34.06°N 117.39°W (Elev. 1056 ft)
34.06°N 117.39°W (Elev. 1056 ft)
11:27 am PDT Oct 3, 2026
11am PDT Oct 3, 2026-6pm PDT Oct 9, 2026
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