Wednesday
Mostly sunny
High:
74°F
Mostly sunny, with a high near 74.
Rancho Cucamonga, CA Weather - Extended Forecast
Wednesday Night
Partly cloudy
Overnight low:
53°F
Partly cloudy, with a low around 53.
Thursday
Mostly sunny
High:
72°F
Mostly sunny, with a high near 72.
Thursday Night
Mostly clear
Overnight low:
51°F
Mostly clear, with a low around 51.
Friday
Sunny
High:
77°F
Friday Night
Clear
Overnight low:
52°F
Saturday
Mostly sunny
High:
82°F
Saturday Night
Partly cloudy
Overnight low:
55°F
Sunday
Mostly sunny
High:
82°F