Rancho Cucamonga, CA Weather

Overnight
Clear, with a low around 66. Northwest wind around 0 mph.

Tuesday
Sunny, with a high near 96. Southwest wind 0 to 15 mph, with gusts as high as 25 mph.

Tuesday Night
Mostly clear, with a low around 68. West wind 0 to 15 mph, with gusts as high as 25 mph.

Wednesday
Sunny, with a high near 101. South wind 0 to 15 mph, with gusts as high as 25 mph.

Wednesday Night
Mostly clear, with a low around 70. Southwest wind 0 to 15 mph, with gusts as high as 25 mph.

Thursday
Sunny, with a high near 98.

Thursday Night
Mostly clear, with a low around 66.

Friday
Sunny, with a high near 91.

Friday Night
Mostly clear, with a low around 65.

Saturday
Mostly sunny, with a high near 90.

Saturday Night
Mostly clear, with a low around 65.

Sunday
Sunny, with a high near 91.

Sunday Night
Mostly clear, with a low around 65.

Monday
Sunny, with a high near 91.