7-Day Forecast Summary
7-Day Detailed Weather Forecast for West Islip
This Afternoon |
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Temperature: 79°F Wind Speed: 3 to 8 mph Wind Direction: SW Forecast: Sunny. High near 79, with temperatures falling to around 75 in the afternoon. Southwest wind 3 to 8 mph. |
Tonight |
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Temperature: 68°F Wind Speed: 6 to 9 mph Wind Direction: SW Forecast: Patchy fog after 5am. Mostly clear, with a low around 68. Southwest wind 6 to 9 mph. |
Thursday |
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Temperature: 82°F Wind Speed: 7 to 16 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 5pm. Mostly sunny. High near 82, with temperatures falling to around 76 in the afternoon. Southwest wind 7 to 16 mph. Chance of precipitation is 20%. |
Thursday Night |
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Temperature: 70°F Wind Speed: 3 to 14 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 2am. Mostly cloudy. Low around 70, with temperatures rising to around 72 overnight. Southwest wind 3 to 14 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Friday |
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Temperature: 86°F Wind Speed: 3 to 10 mph Wind Direction: W Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 86, with temperatures falling to around 83 in the afternoon. West wind 3 to 10 mph. Chance of precipitation is 40%. |
Friday Night |
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Temperature: 70°F Wind Speed: 5 to 8 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%. |
Saturday |
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Temperature: 84°F Wind Speed: 7 mph Wind Direction: NE Forecast: A slight chance of rain showers before 8am. Partly sunny, with a high near 84. |
Saturday Night |
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Temperature: 68°F Wind Speed: 2 to 6 mph Wind Direction: NE Forecast: Partly cloudy, with a low around 68. |
Sunday |
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Temperature: 82°F Wind Speed: 7 mph Wind Direction: E Forecast: Mostly sunny, with a high near 82. |
Sunday Night |
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Temperature: 68°F Wind Speed: 2 to 6 mph Wind Direction: S Forecast: Partly cloudy, with a low around 68. |
Monday |
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Temperature: 80°F Wind Speed: 2 to 12 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 80. |
Monday Night |
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Temperature: 69°F Wind Speed: 7 to 12 mph Wind Direction: SW Forecast: Mostly clear, with a low around 69. |
Tuesday |
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Temperature: 83°F Wind Speed: 7 to 13 mph Wind Direction: SW Forecast: Sunny, with a high near 83. |
Tuesday Night |
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Temperature: 73°F Wind Speed: 9 to 13 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 73. |

