Rancho Cucamonga, CA Weather

Overnight
Partly cloudy, with a low around 66. Southeast wind around 0 mph.

Wednesday
Sunny, with a high near 89. Southwest wind 0 to 15 mph, with gusts as high as 25 mph.

Wednesday Night
Mostly clear, with a low around 62. Southwest wind 0 to 15 mph, with gusts as high as 25 mph.

Thursday
Sunny, with a high near 84. South wind 0 to 15 mph, with gusts as high as 25 mph.

Thursday Night
Mostly clear, with a low around 59. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Friday
Sunny, with a high near 82.

Friday Night
Mostly clear, with a low around 57.

Saturday
Sunny, with a high near 77.

Saturday Night
Partly cloudy, with a low around 56.

Sunday
Mostly sunny, with a high near 76.

Sunday Night
Mostly clear, with a low around 55.

Monday
Sunny, with a high near 79.

Monday Night
Mostly clear, with a low around 56.

Tuesday
Sunny, with a high near 80.