Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
69°F
21°C
| Humidity | 12% |
| Wind Speed | NNE 14 MPH |
| Barometer | NA |
| Dewpoint | 16°F (-9°C) |
| Visibility | NA |
| Last update | 12 Jan 08:00 PM PST |
Extended Forecast for
Rancho Cucamonga CA
Tonight
Low: 52 °F
Clear
Tuesday
High: 76 °F
Sunny
Tuesday Night
Low: 54 °F
Clear
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 54 °F
Mostly Clear
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 53 °F
Clear
Friday
High: 78 °F
Sunny
Friday Night
Low: 52 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 52. North wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 76. North wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 54. Calm wind becoming north around 5 mph in the evening.
Wednesday
Sunny, with a high near 80. West wind 5 to 10 mph becoming north 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 54. North wind 10 to 15 mph becoming light northeast after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 79.
Thursday Night
Clear, with a low around 53.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 52.
M.L.King Day
Sunny, with a high near 76.
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)
7:19 pm PST Jan 12, 2026
9pm PST Jan 12, 2026-6pm PST Jan 19, 2026
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