Rancho Cucamonga, CA Weather - Extended Forecast

Labor Day

Sunny

High:
90°F

Sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

Monday Night

Mostly clear

Overnight low:
68°F

Mostly clear, with a low around 68.

Tuesday

Sunny

High:
93°F

Sunny, with a high near 93.

Tuesday Night

Partly cloudy

Overnight low:
70°F

Partly cloudy, with a low around 70.

Wednesday

Sunny

High:
95°F

Wednesday Night

Mostly clear

Overnight low:
71°F

Thursday

Sunny

High:
94°F

Thursday Night

Mostly clear

Overnight low:
69°F

Friday

Sunny

High:
91°F