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Sunny and cool Monday for Long Island before mid-November warmup

The next few mornings will be chilly, with frost expected in cooler parts of the Island, but no rain is in the forecast and temperatures will warm up throughout the week.

Jonathan Cubit

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Nov 15, 2026, 5:28 PM

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Long Island weather alerts

It's a dry forecast for Long Island, but the next few mornings will be cold. Frost is possible in colder neighborhoods on Monday morning. Temperatures warm up throughout the week with plenty of mild weather in the afternoon and sunshine as well. Rain is not expected this week, but could return for Thanksgiving week.

Chilly tonight

Temperatures drop into the 40s for dinnertime, with wind chills in the 30s. Grab the heavy jacket again for any evening plans and for the morning commute on Monday. Temperatures to start on Monday will be in the 30s, with a light wind from the northwest at 10 mph under clear skies.

Sunny & Cool Monday

Clear skies are expected with less wind and near average temperatures in the low 50s. Chilly Monday night with frost and freezes possible in cooler neighborhoods.

Warmup Ahead

Temperatures are cool in the morning, but mild in the afternoon this week. There will be a string of highs in the 60s which is well above average for mid-November. Rain is not expected and plenty of sunshine is expected this week.

Thanksgiving Trend

While early forecasts did look wet for Thanksgiving, the trend is now dry and cooler. There is no signal for heavy rain through Thanksgiving week as of Sunday evening's forecast, but changes are possible since the holiday is still nearly two weeks out.

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