Friday
Showers likely
High:
64°F
Showers likely. Cloudy, with a high near 64. Northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Rancho Cucamonga, CA Weather - Tomorrow’s Forecast
Friday Night
Heavy rain
Overnight low:
56°F
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 56. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.