Saturday
Mostly sunny
High:
68°F
Mostly sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.
Rancho Cucamonga, CA Weather - Extended Forecast
Saturday Night
Partly cloudy
Overnight low:
50°F
Partly cloudy, with a low around 50. Calm wind.
Sunday
Mostly sunny
High:
72°F
Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy
Overnight low:
51°F
Partly cloudy, with a low around 51.
Monday
Mostly sunny
High:
74°F
Monday Night
Mostly cloudy
Overnight low:
49°F
Tuesday
Chance of showers and thunderstorms
High:
65°F
Tuesday Night
Chance of showers
Overnight low:
50°F
Wednesday
Chance of showers
High:
61°F
Wednesday Night
Chance of showers
Overnight low:
47°F
Thursday
Chance of showers and thunderstorms
High:
62°F