Ontario, CA Weather

Tonight
Partly cloudy, with a low around 48. Southeast wind around 0 mph.

Sunday
Mostly sunny, with a high near 70. West wind 0 to 5 mph.

Sunday Night
Partly cloudy, with a low around 48. Northwest wind 0 to 5 mph.

Monday
Mostly sunny, with a high near 73. Southeast wind 0 to 5 mph.

Monday Night
Patchy fog after 4am. Partly cloudy, with a low around 50. Northwest wind 0 to 5 mph.

Tuesday
Patchy fog before 10am, then a chance of rain showers. Partly sunny, with a high near 65. Chance of precipitation is 50%.

Tuesday Night
A chance of rain showers before 10pm. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.

Christmas Day
Sunny, with a high near 64.

Wednesday Night
Partly cloudy, with a low around 45.

Thursday
Mostly sunny, with a high near 66.

Thursday Night
Patchy fog after 4am. Partly cloudy, with a low around 45.

Friday
Patchy fog before 10am. Mostly sunny, with a high near 66.

Friday Night
Partly cloudy, with a low around 47.

Saturday
Mostly sunny, with a high near 71.