Hazardous Weather Conditions
Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
80°F
27°C
| Humidity | 49% |
| Wind Speed | WSW 2 MPH |
| Barometer | NA |
| Dewpoint | 59°F (15°C) |
| Visibility | NA |
| Heat Index | 81°F (27°C) |
| Last update | 22 Aug 12:00 AM PDT |
Extended Forecast for
3 Miles S Rialto CA
Heat Advisory August 22, 10:00am until August 24, 08:00pm
Overnight
Low: 72 °F
Mostly Clear
Saturday
High: 102 °F
Sunny
Saturday Night
Low: 72 °F
Clear
Sunday
High: 103 °F
Sunny
Sunday Night
Low: 72 °F
Clear
Monday
High: 103 °F
Sunny
Monday Night
Low: 72 °F
Clear
Tuesday
High: 104 °F
Sunny
Tuesday Night
Low: 74 °F
Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 72. Calm wind.
Saturday
Sunny, with a high near 102. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Clear, with a low around 72. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Sunny, with a high near 103. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Clear, with a low around 72. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 103.
Monday Night
Clear, with a low around 72.
Tuesday
Sunny, with a high near 104.
Tuesday Night
Clear, with a low around 74.
Wednesday
Sunny, with a high near 104.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 104.
Thursday Night
Partly cloudy, with a low around 73.
Friday
Mostly sunny, with a high near 104.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles S Rialto CA
34.06°N 117.39°W (Elev. 1056 ft)
34.06°N 117.39°W (Elev. 1056 ft)
11:45 pm PDT Aug 21, 2026
1am PDT Aug 22, 2026-6pm PDT Aug 28, 2026
Additional Resources
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