Friday
Mostly cloudy
High:
65°F
Mostly cloudy, with a high near 65. Calm wind becoming southeast around 5 mph.
Rancho Cucamonga, CA Weather - Extended Forecast
Friday Night
Chance of showers and thunderstorms
Overnight low:
52°F
A slight chance of showers after 10pm. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Saturday
Chance of showers
High:
64°F
A chance of showers. Cloudy, with a high near 64. Chance of precipitation is 40%.
Saturday Night
Showers likely
Overnight low:
52°F
Showers likely. Mostly cloudy, with a low around 52.
Sunday
Heavy rain
High:
62°F
Sunday Night
Heavy rain
Overnight low:
51°F
Monday
Chance of showers
High:
62°F
Monday Night
Chance of showers
Overnight low:
49°F
Tuesday
Chance of showers
High:
62°F