Wednesday
Sunny
High:
90°F
Sunny, with a high near 90. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Rancho Cucamonga, CA Weather - Extended Forecast
Wednesday Night
Clear
Overnight low:
62°F
Clear, with a low around 62.
Thursday
Sunny
High:
91°F
Sunny, with a high near 91.
Thursday Night
Mostly clear
Overnight low:
62°F
Mostly clear, with a low around 62.
Friday
Sunny
High:
90°F
Friday Night
Clear
Overnight low:
62°F
Saturday
Sunny
High:
89°F
Saturday Night
Clear
Overnight low:
62°F
Sunday
Sunny
High:
88°F