7-Day Forecast Summary
7-Day Detailed Weather Forecast for Old Greenwich
Overnight |
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Temperature: 69°F Wind Speed: 6 mph Wind Direction: W Forecast: Patchy fog. Mostly clear, with a low around 69. West wind around 6 mph. |
Thursday |
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Temperature: 86°F Wind Speed: 5 to 13 mph Wind Direction: SW Forecast: Patchy fog before 8am, then a chance of showers and thunderstorms. Mostly sunny. High near 86, with temperatures falling to around 82 in the afternoon. Southwest wind 5 to 13 mph. Chance of precipitation is 40%. |
Thursday Night |
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Temperature: 71°F Wind Speed: 3 to 12 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 71. Southwest wind 3 to 12 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Friday |
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Temperature: 88°F Wind Speed: 5 to 9 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 88, with temperatures falling to around 86 in the afternoon. Northwest wind 5 to 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Friday Night |
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Temperature: 69°F Wind Speed: 7 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Northwest wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Saturday |
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Temperature: 86°F Wind Speed: 7 mph Wind Direction: N Forecast: Mostly sunny. High near 86, with temperatures falling to around 84 in the afternoon. |
Saturday Night |
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Temperature: 66°F Wind Speed: 3 to 8 mph Wind Direction: NE Forecast: Partly cloudy, with a low around 66. |
Sunday |
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Temperature: 85°F Wind Speed: 8 mph Wind Direction: E Forecast: Mostly sunny, with a high near 85. |
Sunday Night |
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Temperature: 66°F Wind Speed: 6 mph Wind Direction: S Forecast: Mostly clear, with a low around 66. |
Monday |
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Temperature: 82°F Wind Speed: 3 to 10 mph Wind Direction: SW Forecast: Sunny, with a high near 82. |
Monday Night |
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Temperature: 68°F Wind Speed: 7 to 12 mph Wind Direction: SW Forecast: Mostly clear, with a low around 68. |
Tuesday |
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Temperature: 87°F Wind Speed: 7 to 10 mph Wind Direction: SW Forecast: Sunny, with a high near 87. |
Tuesday Night |
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Temperature: 72°F Wind Speed: 10 mph Wind Direction: SW Forecast: Mostly clear, with a low around 72. |
Wednesday |
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Temperature: 91°F Wind Speed: 9 to 14 mph Wind Direction: W Forecast: Sunny, with a high near 91. |

