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Weather Forecast for Ontario

Today

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Southeast wind 6 to 13 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 66. South wind 7 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Friday

A chance of showers, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce gusty winds and heavy rain. High near 85. South wind 7 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce gusty winds and heavy rain. Low around 59. Southwest wind 6 to 15 mph becoming west in the evening. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Partly sunny, with a high near 68. West wind 13 to 17 mph.

Saturday Night

Mostly cloudy, with a low around 47. Breezy.

Sunday

Mostly sunny, with a high near 60.

Sunday Night

Partly cloudy, with a low around 45.

Monday

Mostly sunny, with a high near 61.

Monday Night

Partly cloudy, with a low around 47.

Tuesday

A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.

Tuesday Night

A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

Wednesday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.