Ontario, CA Weather

Tonight
Partly cloudy, with a low around 67. West wind 0 to 5 mph.

Tuesday
Sunny, with a high near 96. Southwest wind 0 to 10 mph, with gusts as high as 25 mph.

Tuesday Night
Mostly clear, with a low around 70. West wind 0 to 10 mph, with gusts as high as 25 mph.

Wednesday
Sunny, with a high near 103. Southwest wind 0 to 10 mph, with gusts as high as 25 mph.

Wednesday Night
Mostly clear, with a low around 72. West wind 0 to 10 mph, with gusts as high as 25 mph.

Thursday
Sunny, with a high near 100.

Thursday Night
Mostly clear, with a low around 68.

Friday
Mostly sunny, with a high near 92.

Friday Night
Mostly clear, with a low around 66.

Saturday
Sunny, with a high near 92.

Saturday Night
Mostly clear, with a low around 66.

Sunday
Sunny, with a high near 93.

Sunday Night
Mostly clear, with a low around 66.

Monday
Sunny, with a high near 92.