7-Day Forecast Summary
7-Day Detailed Weather Forecast for Ontario
This Afternoon |
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Temperature: 77°F Wind Speed: 25 mph Wind Direction: W Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 77. West wind around 25 mph, with gusts as high as 44 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Tonight |
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Temperature: 59°F Wind Speed: 13 to 24 mph Wind Direction: W Forecast: A chance of rain showers before 8pm. Mostly cloudy, with a low around 59. West wind 13 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Juneteenth |
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Temperature: 73°F Wind Speed: 13 to 22 mph Wind Direction: W Forecast: A slight chance of rain showers between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of showers and thunderstorms between 3pm and 5pm. Mostly sunny, with a high near 73. West wind 13 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. |
Friday Night |
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Temperature: 58°F Wind Speed: 13 to 21 mph Wind Direction: W Forecast: Mostly clear, with a low around 58. West wind 13 to 21 mph, with gusts as high as 31 mph. |
Saturday |
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Temperature: 74°F Wind Speed: 15 mph Wind Direction: W Forecast: Sunny, with a high near 74. West wind around 15 mph. |
Saturday Night |
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Temperature: 57°F Wind Speed: 5 to 12 mph Wind Direction: W Forecast: Partly cloudy, with a low around 57. West wind 5 to 12 mph. |
Sunday |
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Temperature: 75°F Wind Speed: 8 mph Wind Direction: W Forecast: Mostly sunny, with a high near 75. West wind around 8 mph. |
Sunday Night |
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Temperature: 59°F Wind Speed: 1 to 5 mph Wind Direction: SW Forecast: A chance of rain showers after 2am. Partly cloudy, with a low around 59. Southwest wind 1 to 5 mph. Chance of precipitation is 30%. |
Monday |
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Temperature: 74°F Wind Speed: 5 to 9 mph Wind Direction: E Forecast: Rain showers likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 70%. |
Monday Night |
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Temperature: 59°F Wind Speed: 8 mph Wind Direction: N Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%. |
Tuesday |
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Temperature: 75°F Wind Speed: 10 mph Wind Direction: NW Forecast: A slight chance of rain showers before 8am. Mostly sunny, with a high near 75. |
Tuesday Night |
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Temperature: 59°F Wind Speed: 5 to 9 mph Wind Direction: W Forecast: Partly cloudy, with a low around 59. |
Wednesday |
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Temperature: 76°F Wind Speed: 7 mph Wind Direction: W Forecast: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. |
Wednesday Night |
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Temperature: 60°F Wind Speed: 3 mph Wind Direction: W Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 60. |

