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Taxing Long Island

Dry and comfortable weather continues through Monday before heat and humidity build on Long Island

Pleasant summer weather dominates through the first part of the week before temperatures surge into the 90s by midweek. Minor coastal flooding remains possible around the nighttime high tide cycle in the most vulnerable shoreline locations through early next week.

Michael Latella

Jul 11, 2026, 7:02 PM

Updated

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What to expect

  • Sunny, dry and comfortable weather through Monday.

  • Low humidity through Monday before more humid air arrives Tuesday.

  • Hot and humid conditions develop Tuesday and peak Wednesday.

  • Afternoon heat index values will climb into the mid- to upper 90s by Wednesday.

  • Minor coastal flooding is possible around the nighttime high tides through early next week, mainly in the most vulnerable South Shore back bay locations.

  • Temperatures ease slightly late week while dry weather continues.

Weather alerts

No watches, warnings or advisories are currently in effect for Long Island.

Forecast

Saturday night: Skies gradually clear overnight with comfortable conditions. Lows will be in the mid-60s.

Sunday: Sunny, with low humidity and pleasant summer weather. Temperatures will be in the mid-80s.

Sunday night: Mostly clear and comfortable. Temperatures will be in the mid-60s.

Monday: Sunny and seasonably warm, with comfortable humidity. Temperatures will be in the mid-80s.

Tuesday: Sunny, hotter and becoming more humid. Temperatures will range from the low to mid-90s.

Wednesday: Sunny, hot and humid. Temperatures will reach the low to mid-90s with afternoon heat index values climbing into the mid- to upper 90s.

Thursday: Mostly sunny with a slight break from the heat, though it will remain warm and somewhat humid. Temperatures will be in the upper 80s.

Friday: Mostly sunny and warm, with Temperatures remaining in the upper 80s.


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