7-Day Forecast Summary
7-Day Detailed Weather Forecast for Ontario
Tonight |
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Temperature: 69°F Wind Speed: 1 to 5 mph Wind Direction: S Forecast: Partly cloudy, with a low around 69. South wind 1 to 5 mph. |
Thursday |
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Temperature: 87°F Wind Speed: 7 mph Wind Direction: W Forecast: A slight chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 87. West wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Thursday Night |
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Temperature: 69°F Wind Speed: 6 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 69. West wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
Friday |
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Temperature: 82°F Wind Speed: 7 mph Wind Direction: NW Forecast: Rain showers likely before 2pm. Partly sunny, with a high near 82. Northwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
Friday Night |
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Temperature: 67°F Wind Speed: 5 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 67. Northwest wind around 5 mph. |
Saturday |
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Temperature: 82°F Wind Speed: 5 to 8 mph Wind Direction: N Forecast: Sunny, with a high near 82. North wind 5 to 8 mph. |
Saturday Night |
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Temperature: 64°F Wind Speed: 1 to 5 mph Wind Direction: E Forecast: Mostly clear, with a low around 64. East wind 1 to 5 mph. |
Sunday |
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Temperature: 84°F Wind Speed: 1 to 6 mph Wind Direction: E Forecast: Sunny, with a high near 84. East wind 1 to 6 mph. |
Sunday Night |
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Temperature: 67°F Wind Speed: 1 to 5 mph Wind Direction: SE Forecast: Partly cloudy, with a low around 67. |
Monday |
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Temperature: 87°F Wind Speed: 7 mph Wind Direction: W Forecast: Sunny, with a high near 87. |
Monday Night |
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Temperature: 71°F Wind Speed: 3 to 7 mph Wind Direction: W Forecast: Partly cloudy, with a low around 71. |
Tuesday |
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Temperature: 91°F Wind Speed: 7 to 12 mph Wind Direction: W Forecast: Mostly sunny, with a high near 91. |
Tuesday Night |
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Temperature: 73°F Wind Speed: 12 mph Wind Direction: W Forecast: Partly cloudy, with a low around 73. |
Wednesday |
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Temperature: 89°F Wind Speed: 13 mph Wind Direction: W Forecast: A slight chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. |

