Thursday
Mostly sunny
High:
85°F
Mostly sunny, with a high near 85.
Rancho Cucamonga, CA Weather - Extended Forecast
Thursday Night
Partly cloudy
Overnight low:
62°F
Partly cloudy, with a low around 62.
Friday
Mostly sunny
High:
86°F
Mostly sunny, with a high near 86.
Friday Night
Mostly clear
Overnight low:
61°F
Mostly clear, with a low around 61.
Saturday
Mostly sunny
High:
88°F
Saturday Night
Mostly clear
Overnight low:
63°F
Sunday
Sunny
High:
90°F
Sunday Night
Mostly clear
Overnight low:
64°F
Monday
Sunny
High:
89°F