Rancho Cucamonga, CA Weather

Current Conditions

Mostly cloudy

Temp:
71°F

Wind: Calm

Humidity: 94%
Pressure: 29.90 in

Visibility: 8 miles

Observed at: 4:53 am PDT

Overnight

Chance of showers and thunderstorms

Overnight low:
70°F

A slight chance of showers. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.

Labor Day

Chance of showers and thunderstorms

High:
90°F

A slight chance of showers. Mostly sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 20%.

Monday Night

Mostly clear

Overnight low:
71°F

Mostly clear, with a low around 71. West wind 5 to 10 mph becoming light and variable in the evening.