Sunday
Sunny
High:
87°F
Sunny, with a high near 87. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Rancho Cucamonga, CA Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
60°F
Mostly clear, with a low around 60.
Monday
Sunny
High:
85°F
Sunny, with a high near 85.
Monday Night
Mostly clear
Overnight low:
59°F
Mostly clear, with a low around 59.
Tuesday
Sunny
High:
85°F
Tuesday Night
Mostly clear
Overnight low:
60°F
Wednesday
Sunny
High:
87°F
Wednesday Night
Mostly clear
Overnight low:
61°F
Thursday
Sunny
High:
89°F
Thursday Night
Mostly clear
Overnight low:
62°F