Sunday
Sunny
High:
85°F
Sunny, with a high near 85.
Rancho Cucamonga, CA Weather - Extended Forecast
Sunday Night
Partly cloudy
Overnight low:
57°F
Partly cloudy, with a low around 57.
Monday
Partly sunny
High:
80°F
Partly sunny, with a high near 80.
Monday Night
Mostly clear
Overnight low:
56°F
Mostly clear, with a low around 56.
Tuesday
Sunny
High:
83°F
Tuesday Night
Mostly clear
Overnight low:
56°F
Wednesday
Sunny
High:
79°F
Wednesday Night
Clouds increasing
Overnight low:
55°F
Thursday
Partly sunny
High:
73°F