Tuesday
Sunny
High:
91°F
Sunny, with a high near 91. 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
Tuesday Night
Mostly clear
Overnight low:
61°F
Mostly clear, with a low around 61.
Wednesday
Sunny
High:
87°F
Sunny, with a high near 87.
Wednesday Night
Mostly clear
Overnight low:
59°F
Mostly clear, with a low around 59.
Thursday
Sunny
High:
82°F
Thursday Night
Clear
Overnight low:
58°F
Juneteenth
Sunny
High:
82°F
Friday Night
Clear
Overnight low:
57°F
Saturday
Sunny
High:
80°F