Hazardous Weather Conditions
Current conditions at
Fontana-Arrow Highway (CQ057)
Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.NA
53°F
12°C
| Humidity | 100% |
| Wind Speed | SE 1 MPH |
| Barometer | NA |
| Dewpoint | 53°F (12°C) |
| Visibility | NA |
| Last update | 31 Dec 06:00 PM PST |
Extended Forecast for
3 Miles ESE Rancho Cucamonga CA
Flood Watch December 31, 10:00pm until January 1, 10:00pm
Tonight

Low: 53 °F
Heavy Rain
New Year's Day

High: 62 °F
Heavy Rain
Thursday Night

Low: 50 °F
Chance
ShowersFriday

High: 65 °F
Mostly Cloudy
Friday Night

Low: 52 °F
Slight Chance
ShowersSaturday

High: 64 °F
Chance
ShowersSaturday Night

Low: 52 °F
Showers
LikelySunday

High: 63 °F
Heavy Rain
Sunday Night

Low: 51 °F
Heavy Rain
Detailed Forecast
Tonight
Showers, with thunderstorms also possible after 10pm. Some of the storms could produce heavy rainfall. Low around 53. Northeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
New Year's Day
Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 62. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 65. Calm wind becoming southeast around 5 mph.
Friday Night
A slight chance of showers after 10pm. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 20%.
Saturday
A chance of showers. Cloudy, with a high near 64. Chance of precipitation is 40%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Sunday
Showers likely. The rain could be heavy at times. Mostly cloudy, with a high near 63.
Sunday Night
Showers likely, mainly before 10pm. The rain could be heavy at times. Mostly cloudy, with a low around 51.
Monday
A chance of showers. Partly sunny, with a high near 62.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49.
Tuesday
A chance of showers. Partly sunny, with a high near 62.
Tuesday Night
A chance of showers. The rain could be heavy at times. Mostly cloudy, with a low around 46.
Wednesday
A chance of showers. Partly sunny, with a high near 61.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles ESE Rancho Cucamonga CA
34.11°N 117.54°W (Elev. 1161 ft)
34.11°N 117.54°W (Elev. 1161 ft)
7:13 pm PST Dec 31, 2025
7pm PST Dec 31, 2025-6pm PST Jan 7, 2026



