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Forecast: Warm front to bring light rain, fog, temps in high 40s

Nelson Nicholas, of Farmingville, walks along an exercise

Nelson Nicholas, of Farmingville, walks along an exercise trail at the Holtsville Ecology in Holtsville on Sunday, Feb. 18, 2018. Credit: James Carbone

Students who are off from school for February break this week are in for a treat, with temperatures on Long Island expected to be in the 50s and 60s on Tuesday and Wednesday, meteorologists said.

Monday is predicted to be cloudy with a slight chance of rain in the morning that increases after 3 p.m.. Then a warm front is predicted to approach the Island Monday afternoon into the night, bringing light rain, fog and a high temperature of 48 with lows dropping to 45 overnight, according to the National Weather Service in Upton.

Fog and drizzle will start a cloudy Tuesday, but the afternoon highs could reach near 60 as milder air moves in before patchy, dense fog comes at night when lows will be a balmy 50.

“There’s a warm front that lifts to the north in the tristate area early Tuesday and, as a result, we end up with a northwest flow that’s the result of high pressure over the western Atlantic — typically we’ll have this flow for a few days,” said Adrienne Leptich, a meteorologist with the National Weather Service at Upton.

Morning fog and drizzle opens the day on Wednesday as well, but the afternoon will be sunny with highs in the low 60s in northern Nassau County and southwestern Suffolk County, meteorologists said. At night there’s a chance of a shower and lows are forecast in the 40s.

There will be warm air until Wednesday night, with this southwest flow causing progressively warmer temperatures; then a cold front moves through.

The normal high for this time of year at Islip is 41 and the normal low is 26, Leptich said.

Islip’s record for Tuesday is 62 degrees and Wednesday’s is 63 degrees, said meteorologist Nelson Vaz, also from the weather service’s office in Upton.

“It doesn’t look like we’re going to be able to break that,” he said, but noted that it could get close.

Areas west of Long Island, such as New Jersey and the lower Hudson Valley, could see temperatures reach 70 degrees, Vaz said. The cold ocean water around Long Island “acts like an air conditioner and keeps things cold this time of year,” he said.

Cloudy with periods of light rain is the prediction for Thursday when the temperatures turn cooler, with highs forecast in the upper 40s. At night, a few leftover showers will dampen things a bit and temperatures dip to the upper 30s.

Look for a cloudy and chilly start to the weekend on Friday, when highs will be in the mid-40s and at night it will be mostly cloudy with a chance of a shower. Lows are expected in the upper 30s.

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