7-Day Forecast Summary
7-Day Detailed Weather Forecast for South Yarmouth
Overnight |
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Temperature: 56°F Wind Speed: 6 mph Wind Direction: S Forecast: Rain showers and patchy fog before 4am, then patchy fog and showers and thunderstorms. Cloudy, with a low around 56. South wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible. |
Saturday |
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Temperature: 64°F Wind Speed: 5 to 9 mph Wind Direction: S Forecast: Patchy fog and showers and thunderstorms. Mostly cloudy. High near 64, with temperatures falling to around 57 in the afternoon. South wind 5 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible. |
Saturday Night |
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Temperature: 43°F Wind Speed: 5 to 14 mph Wind Direction: W Forecast: Patchy fog before 1am, then patchy fog and a slight chance of rain showers between 1am and 2am, then a chance of rain showers and patchy fog. Mostly cloudy, with a low around 43. West wind 5 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Sunday |
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Temperature: 60°F Wind Speed: 9 to 15 mph Wind Direction: W Forecast: A slight chance of rain showers before 8am. Mostly sunny, with a high near 60. West wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%. |
Sunday Night |
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Temperature: 45°F Wind Speed: 8 mph Wind Direction: W Forecast: Mostly clear, with a low around 45. West wind around 8 mph. |
Monday |
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Temperature: 56°F Wind Speed: 8 to 12 mph Wind Direction: W Forecast: A slight chance of rain after 4pm. Mostly sunny, with a high near 56. West wind 8 to 12 mph. Chance of precipitation is 20%. |
Monday Night |
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Temperature: 37°F Wind Speed: 10 mph Wind Direction: NW Forecast: A chance of rain before 9pm. Mostly clear, with a low around 37. Northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. |
Tuesday |
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Temperature: 56°F Wind Speed: 8 to 12 mph Wind Direction: W Forecast: Sunny, with a high near 56. West wind 8 to 12 mph. |
Tuesday Night |
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Temperature: 42°F Wind Speed: 8 mph Wind Direction: W Forecast: Mostly clear, with a low around 42. West wind around 8 mph. |
Veterans Day |
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Temperature: 58°F Wind Speed: 6 to 9 mph Wind Direction: W Forecast: Sunny, with a high near 58. West wind 6 to 9 mph. |
Wednesday Night |
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Temperature: 37°F Wind Speed: 6 mph Wind Direction: W Forecast: Partly cloudy, with a low around 37. West wind around 6 mph. |
Thursday |
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Temperature: 54°F Wind Speed: 7 mph Wind Direction: N Forecast: A slight chance of rain after 2pm. Mostly sunny, with a high near 54. North wind around 7 mph. |
Thursday Night |
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Temperature: 37°F Wind Speed: 5 to 9 mph Wind Direction: NE Forecast: A chance of rain. Mostly cloudy, with a low around 37. Northeast wind 5 to 9 mph. Chance of precipitation is 40%. |
Friday |
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Temperature: 52°F Wind Speed: 9 to 14 mph Wind Direction: NE Forecast: A chance of rain. Partly sunny, with a high near 52. Northeast wind 9 to 14 mph. |

