Ontario, CA Weather

Overnight
Partly cloudy, with a low around 47. Northeast wind around 0 mph.

Thursday
Sunny, with a high near 78. Northeast wind 0 to 5 mph.

Thursday Night
Clear, with a low around 47. Northeast wind 0 to 5 mph.

Friday
Sunny, with a high near 75. Southeast wind 0 to 5 mph.

Friday Night
A slight chance of rain after 4am. Mostly clear, with a low around 46. West wind 0 to 5 mph. Chance of precipitation is 20%.

Saturday
Rain likely. Partly sunny, with a high near 65. Chance of precipitation is 60%.

Saturday Night
Rain likely. Cloudy, with a low around 51. Chance of precipitation is 70%.

Sunday
A chance of rain. Partly sunny, with a high near 65.

Sunday Night
A chance of rain. Mostly cloudy, with a low around 50.

Monday
A chance of rain. Mostly cloudy, with a high near 62.

Monday Night
A chance of rain. Mostly cloudy, with a low around 51.

Tuesday
A chance of rain. Partly sunny, with a high near 65.

Tuesday Night
A chance of rain before 4am. Mostly cloudy, with a low around 48.

Wednesday
Mostly sunny, with a high near 65.