Memorial Day
Clouds clearing
High:
77°F
Mostly cloudy, then gradually becoming sunny, with a high near 77.
Rancho Cucamonga, CA Weather - Extended Forecast
Monday Night
Clouds increasing
Overnight low:
54°F
Increasing clouds, with a low around 54.
Tuesday
Mostly sunny
High:
73°F
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy
Overnight low:
53°F
Partly cloudy, with a low around 53.
Wednesday
Partly sunny
High:
69°F
Wednesday Night
Partly cloudy
Overnight low:
53°F
Thursday
Mostly sunny
High:
72°F
Thursday Night
Mostly clear
Overnight low:
54°F
Friday
Sunny
High:
78°F