Rancho Cucamonga, CA Weather - Extended Forecast

Saturday

Heavy rain

High:
51°F

Rain. The rain could be heavy at times. High near 51. Northeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Saturday Night

Showers

Overnight low:
44°F

Showers. Low around 44. Chance of precipitation is 80%.

Sunday

Showers likely

High:
55°F

A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.

Sunday Night

Chance of showers

Overnight low:
45°F

A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 45.

Monday

Chance of showers and thunderstorms

High:
64°F

Monday Night

Mostly clear

Overnight low:
47°F

Tuesday

Sunny

High:
72°F

Tuesday Night

Mostly clear

Overnight low:
51°F

Wednesday

Sunny

High:
76°F