Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
71°F
22°C
| Humidity | 98% |
| Wind Speed | NE 1 MPH |
| Barometer | NA |
| Dewpoint | 71°F (22°C) |
| Visibility | NA |
| Last update | 07 Sep 08:00 AM PDT |
Extended Forecast for
Fontana CA
Labor Day
High: 90 °F
Chance
Showers then
Slight Chance
T-stormsTonight
Low: 71 °F
Mostly Clear
Tuesday
High: 93 °F
Sunny
Tuesday Night
Low: 73 °F
Mostly Clear
Wednesday
High: 98 °F
Sunny
Wednesday Night
Low: 74 °F
Mostly Clear
Thursday
High: 97 °F
Sunny
Thursday Night
Low: 73 °F
Clear
Friday
High: 93 °F
Sunny
Detailed Forecast
Labor Day
A chance of showers and thunderstorms, mainly before 11am. Mostly sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 93. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 73. Calm wind becoming north around 5 mph after midnight.
Wednesday
Sunny, with a high near 98. North wind around 5 mph becoming calm.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 97.
Thursday Night
Clear, with a low around 73.
Friday
Sunny, with a high near 93.
Friday Night
Clear, with a low around 68.
Saturday
Sunny, with a high near 90.
Saturday Night
Clear, with a low around 65.
Sunday
Sunny, with a high near 90.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Fontana CA
34.1°N 117.43°W (Elev. 1296 ft)
34.1°N 117.43°W (Elev. 1296 ft)
5:35 am PDT Sep 7, 2026
9am PDT Sep 7, 2026-6pm PDT Sep 13, 2026
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