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Lake Success, New York

Current conditions and the National Weather Service 7-day forecast for Lake Success, New York — temperature, rain chance, wind, radar and active alerts.

Saturday Aug 29 night: a low around 64°F. Sunday Aug 30: a high near 83°F and a low around 69°F. The wettest day looks like Sunday Aug 30, near 0.24 in. Highs over the period run 79°F to 84°F.

National Weather Service forecast for Lake Success, New York
DayHighLowPrecip
Saturday Aug 2964°
Sunday Aug 3083°69°0.24 in
Monday Aug 3182°69°0.06 in
Tuesday Sep 183°70°0.17 in
Wednesday Sep 284°70°
Thursday Sep 384°68°
Friday Sep 481°66°
Saturday Sep 579°

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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