Ontario, CA

Welcome To Ontario

FIND EVENTS IN Ontario

Weather Forecast for Ontario

Tonight

Mostly cloudy, with a low around 60. West wind around 5 mph becoming calm after midnight.

Wednesday

Mostly cloudy, then gradually becoming sunny, with a high near 83. Light west wind increasing to 5 to 10 mph in the afternoon.

Wednesday Night

Increasing clouds, with a low around 60. West wind 5 to 10 mph becoming light after midnight.

Thursday

Mostly cloudy, then gradually becoming sunny, with a high near 79. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Thursday Night

Areas of drizzle after 11pm. Mostly cloudy, with a low around 60. West wind 5 to 10 mph, with gusts as high as 20 mph.

Friday

Areas of drizzle before 11am. Partly sunny, with a high near 75.

Friday Night

Patchy drizzle and fog after 11pm. Mostly cloudy, with a low around 57.

Saturday

Patchy drizzle and fog before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 80.

Saturday Night

Partly cloudy, with a low around 58.

Sunday

Mostly sunny, with a high near 81.

Sunday Night

Increasing clouds, with a low around 58.

Monday

Mostly cloudy, then gradually becoming sunny, with a high near 78.

Monday Night

Partly cloudy, with a low around 60.

Tuesday

Mostly sunny, with a high near 81.