Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
68°F
20°C
| Humidity | 19% |
| Wind Speed | NNW 3 MPH |
| Barometer | NA |
| Dewpoint | 25°F (-4°C) |
| Visibility | NA |
| Last update | 13 Jan 11:00 PM PST |
Extended Forecast for
Rancho Cucamonga CA
Overnight
Low: 55 °F
Clear
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 55 °F
Clear
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 53 °F
Mostly Clear
Friday
High: 79 °F
Sunny
Friday Night
Low: 53 °F
Clear
Saturday
High: 79 °F
Sunny
Saturday Night
Low: 52 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 55. North wind around 5 mph.
Wednesday
Sunny, with a high near 80. North wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 55. North wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 79. North wind around 5 mph becoming calm.
Thursday Night
Mostly clear, with a low around 53. North wind around 5 mph becoming calm.
Friday
Sunny, with a high near 79.
Friday Night
Clear, with a low around 53.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 53.
M.L.King Day
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 74.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Rancho Cucamonga CA
34.13°N 117.57°W (Elev. 1362 ft)
34.13°N 117.57°W (Elev. 1362 ft)
7:55 pm PST Jan 13, 2026
12am PST Jan 14, 2026-6pm PST Jan 20, 2026
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