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Town of Islip, New YorkIslip, NY 7-Day Weather Forecast
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Islip Weather Forecast
Islip, NY Weather Forecast Date: 235 PM EDT Wed Oct 21 2026
Weather forecast for Islip, NY
Today Hi: 60°FHi: 16°C Lo: 49°F Lo: 9°C |
This Afternoon... Partly sunny and breezy. Near steady temperature around 60. North winds 15 to 25 mph with gusts up to 35 mph. |
Thu Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Thursday... Sunny. Highs in the mid 60s. North winds 15 to 20 mph with gusts up to 30 mph. |
| Fri Hi: 55°FHi: 13°C Lo: 40°F Lo: 4°C |
Friday... Sunny. Highs in the mid 50s. North winds 10 to 15 mph with gusts up to 25 mph. |
| Sat Hi: 59°FHi: 15°C Lo: 41°F Lo: 5°C |
Saturday... Sunny. Highs in the upper 50s. |
| Sun Hi: 61°FHi: 16°C Lo: 45°F Lo: 7°C |
Sunday... Sunny. Highs in the lower 60s. |
| Mon Hi: 65°FHi: 18°C Lo: 49°F Lo: 9°C |
Monday... Sunny. Highs in the mid 60s. |
| Tue Hi: 61°FHi: 16°C Lo: 45°F Lo: 7°C |
Tuesday... Mostly sunny. Highs in the lower 60s. |
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