Ontario, CA Weather

This Afternoon
Sunny, with a high near 88. West wind around 10 mph, with gusts as high as 25 mph.

Tonight
Mostly clear, with a low around 61. West wind 0 to 10 mph, with gusts as high as 20 mph.

Thursday
Sunny, with a high near 90. Southwest wind 0 to 15 mph, with gusts as high as 25 mph.

Thursday Night
Patchy fog after 5am. Mostly clear, with a low around 61. West wind 0 to 10 mph, with gusts as high as 20 mph.

Friday
Patchy fog before 11am. Sunny, with a high near 88. Southwest wind 0 to 15 mph, with gusts as high as 25 mph.

Friday Night
Patchy fog after 11pm. Mostly cloudy, with a low around 60.

Saturday
Patchy fog before 11am. Partly sunny, with a high near 83.

Saturday Night
Partly cloudy, with a low around 58.

Sunday
Sunny, with a high near 81.

Sunday Night
Mostly clear, with a low around 57.

Monday
Sunny, with a high near 83.

Monday Night
Mostly clear, with a low around 58.

Tuesday
Sunny, with a high near 85.

Tuesday Night
Mostly clear, with a low around 59.