Thursday
Showers
High:
67°F
Showers and possibly a thunderstorm. High near 67. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Rancho Cucamonga, CA Weather - Extended Forecast
Thursday Night
Chance of showers
Overnight low:
54°F
A chance of showers before 11pm. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Friday
Mostly sunny
High:
72°F
Mostly sunny, with a high near 72.
Friday Night
Clear
Overnight low:
54°F
Clear, with a low around 54.
Saturday
Sunny
High:
77°F
Saturday Night
Clear
Overnight low:
56°F
Sunday
Sunny
High:
78°F
Sunday Night
Partly cloudy
Overnight low:
58°F
Monday
Sunny
High:
80°F