Thursday
Sunny
High:
100°F
Sunny, with a high near 100. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Rancho Cucamonga, CA Weather - Extended Forecast
Thursday Night
Mostly clear
Overnight low:
72°F
Mostly clear, with a low around 72.
Friday
Sunny
High:
101°F
Sunny, with a high near 101.
Friday Night
Mostly clear
Overnight low:
71°F
Mostly clear, with a low around 71.
Saturday
Sunny
High:
100°F
Saturday Night
Clear
Overnight low:
70°F
Sunday
Sunny
High:
99°F
Sunday Night
Mostly clear
Overnight low:
70°F
Monday
Sunny
High:
98°F