Thursday
Sunny
High:
100°F
Sunny, with a high near 100.
Rancho Cucamonga, CA Weather - Extended Forecast
Thursday Night
Clear
Overnight low:
68°F
Clear, with a low around 68.
Friday
Sunny
High:
99°F
Sunny, with a high near 99.
Friday Night
Clear
Overnight low:
66°F
Clear, with a low around 66.
Saturday
Sunny
High:
93°F
Saturday Night
Partly cloudy
Overnight low:
63°F
Sunday
Mostly sunny
High:
87°F
Sunday Night
Mostly clear
Overnight low:
61°F
Monday
Sunny
High:
86°F