Rancho Cucamonga, CA Weather - Extended Forecast

Sunday

Chance of showers

High:
86°F

A chance of showers. Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday Night

Partly cloudy

Overnight low:
68°F

Partly cloudy, with a low around 68.

Labor Day

Sunny

High:
91°F

Sunny, with a high near 91.

Monday Night

Partly cloudy

Overnight low:
67°F

Partly cloudy, with a low around 67.

Tuesday

Chance of showers and thunderstorms

High:
93°F

Tuesday Night

Partly cloudy

Overnight low:
70°F

Wednesday

Mostly sunny

High:
94°F

Wednesday Night

Partly cloudy

Overnight low:
70°F

Thursday

Sunny

High:
93°F