Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
75°F
24°C
| Humidity | 7% |
| Wind Speed | NE 12 MPH |
| Barometer | NA |
| Dewpoint | 7°F (-14°C) |
| Visibility | NA |
| Last update | 16 Jan 07:00 PM PST |
Extended Forecast for
Rancho Cucamonga CA
Tonight
Low: 56 °F
Mostly Clear
Saturday
High: 78 °F
Sunny
Saturday Night
Low: 53 °F
Partly Cloudy
Sunday
High: 77 °F
Mostly Sunny
Sunday Night
Low: 53 °F
Mostly Clear
M.L.King Day
High: 76 °F
Sunny
Monday Night
Low: 52 °F
Mostly Clear
Tuesday
High: 76 °F
Sunny
Tuesday Night
Low: 52 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 56. North wind 5 to 10 mph.
Saturday
Sunny, with a high near 78. North wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 53. North wind 5 to 10 mph becoming light after midnight.
Sunday
Mostly sunny, with a high near 77. Calm wind becoming north around 5 mph.
Sunday Night
Mostly clear, with a low around 53. North wind around 5 mph becoming calm.
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 76.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 49.
Friday
A slight chance of showers. Mostly sunny, with a high near 66.
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)
7:57 pm PST Jan 16, 2026
9pm PST Jan 16, 2026-6pm PST Jan 23, 2026
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