7-Day Forecast Summary
7-Day Detailed Weather Forecast for Markham
This Afternoon |
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Temperature: 94°F Wind Speed: 10 mph Wind Direction: S Forecast: Mostly sunny, with a high near 94. Heat index values as high as 109. South wind around 10 mph. |
Tonight |
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Temperature: 80°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Partly cloudy, with a low around 80. Heat index values as high as 105. South wind 5 to 10 mph. |
Thursday |
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Temperature: 93°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms between 11am and 5pm. Mostly sunny. High near 93, with temperatures falling to around 90 in the afternoon. Heat index values as high as 106. South wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Thursday Night |
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Temperature: 78°F Wind Speed: 0 to 10 mph Wind Direction: SE Forecast: A slight chance of showers and thunderstorms between 4am and 5am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 78. Heat index values as high as 103. Southeast wind 0 to 10 mph. Chance of precipitation is 30%. |
Friday |
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Temperature: 92°F Wind Speed: 0 to 5 mph Wind Direction: SE Forecast: A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely. Mostly sunny. High near 92, with temperatures falling to around 89 in the afternoon. Southeast wind 0 to 5 mph. Chance of precipitation is 60%. |
Friday Night |
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Temperature: 77°F Wind Speed: 0 to 5 mph Wind Direction: SE Forecast: Showers and thunderstorms likely before 7pm. Partly cloudy, with a low around 77. Chance of precipitation is 60%. |
Saturday |
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Temperature: 92°F Wind Speed: 0 to 5 mph Wind Direction: SE Forecast: A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 92. Chance of precipitation is 50%. |
Saturday Night |
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Temperature: 76°F Wind Speed: 0 to 5 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. Chance of precipitation is 50%. |
Sunday |
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Temperature: 92°F Wind Speed: 0 to 5 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after 7am. Sunny, with a high near 92. Chance of precipitation is 50%. |
Sunday Night |
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Temperature: 76°F Wind Speed: 0 to 5 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Chance of precipitation is 50%. |
Labor Day |
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Temperature: 92°F Wind Speed: 0 to 5 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 92. Chance of precipitation is 40%. |
Monday Night |
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Temperature: 76°F Wind Speed: 0 to 5 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Chance of precipitation is 40%. |
Tuesday |
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Temperature: 91°F Wind Speed: 0 to 10 mph Wind Direction: SE Forecast: A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 91. Chance of precipitation is 50%. |
Tuesday Night |
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Temperature: 76°F Wind Speed: 0 to 10 mph Wind Direction: SE Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 76. |
