Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
81°F
27°C
| Humidity | 39% |
| Wind Speed | WNW 1 MPH |
| Barometer | NA |
| Dewpoint | 54°F (12°C) |
| Visibility | NA |
| Heat Index | 81°F (27°C) |
| Last update | 24 Aug 12:00 AM PDT |
Extended Forecast for
3 Miles S Rialto CA
Overnight
Low: 74 °F
Mostly Clear
Monday
High: 103 °F
Sunny
Monday Night
Low: 74 °F
Mostly Clear
Tuesday
High: 104 °F
Sunny
Tuesday Night
Low: 76 °F
Clear
Wednesday
High: 105 °F
Sunny
Wednesday Night
Low: 77 °F
Mostly Clear
Thursday
High: 105 °F
Sunny
Thursday Night
Low: 77 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 74. Calm wind.
Monday
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.
Monday Night
Mostly clear, with a low around 74. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 104. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 105.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny, with a high near 105.
Thursday Night
Mostly clear, with a low around 77.
Friday
Mostly sunny, with a high near 105.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny, with a high near 104.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 102.
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)
5:32 pm PDT Aug 23, 2026
1am PDT Aug 24, 2026-6pm PDT Aug 30, 2026
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