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ZIP 11751 · Islip, New York

Current conditions and the National Weather Service 7-day forecast for ZIP code 11751, Islip, New York — temperature, rain chance, wind, radar and alerts.

Saturday Aug 29 night: a low around 63°F. Sunday Aug 30: a high near 81°F and a low around 67°F. The wettest day looks like Sunday Aug 30, near 0.19 in. Highs over the period run 77°F to 83°F.

National Weather Service forecast for ZIP 11751, Islip, New York
DayHighLowPrecip
Saturday Aug 2963°
Sunday Aug 3081°67°0.19 in
Monday Aug 3180°67°0.06 in
Tuesday Sep 181°69°0.16 in
Wednesday Sep 282°69°
Thursday Sep 383°67°
Friday Sep 480°63°
Saturday Sep 577°

NOAA NWS NDFD 2.5 km, run 2026-08-30 00:00 UTC · days are local time in America/New York. The live page updates continuously.

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