Thursday
Sunny
High:
87°F
Sunny, with a high near 87. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Rancho Cucamonga, CA Weather - Extended Forecast
Thursday Night
Mostly clear
Overnight low:
59°F
Mostly clear, with a low around 59.
Friday
Sunny
High:
84°F
Sunny, with a high near 84.
Friday Night
Mostly clear
Overnight low:
58°F
Mostly clear, with a low around 58.
Saturday
Sunny
High:
79°F
Saturday Night
Mostly clear
Overnight low:
57°F
Sunday
Becoming sunny
High:
77°F
Sunday Night
Mostly clear
Overnight low:
56°F
Monday
Mostly sunny
High:
78°F