Rancho Cucamonga, CA Weather - Extended Forecast

Thursday

Patchy fog

High:
88°F

Patchy fog before 11am. Otherwise, sunny, with a high near 88. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

Thursday Night

Clouds increasing

Overnight low:
63°F

Increasing clouds, with a low around 63.

Friday

Patchy fog

High:
88°F

Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 88.

Friday Night

Mostly clear

Overnight low:
60°F

Mostly clear, with a low around 60.

Saturday

Patchy fog

High:
89°F

Saturday Night

Patchy fog

Overnight low:
62°F

Sunday

Patchy fog

High:
92°F

Sunday Night

Mostly clear

Overnight low:
64°F

Monday

Patchy fog

High:
92°F