MT SINAI, NY 11766 Weather Forecast & Current Conditions

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ISLIP, NY
Current Weather

10:56 AM EDT MAR 24, 2026
Clear
41°F
Feels Like: 34°F
Dewpoint: 18°F
Rel. Hum.: 37%
Visibility: 10 miles
Wind: N at 13 mph, gusts to 23
Pressure: 30.38 inches
Last 72 hours

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MT SINAI, NY 11766
Weather Forecast

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Snow Depth pages
THIS AFTERNOON
Sunny. Highs in the mid 40s. North winds around 15 mph with gusts up to 25 mph, becoming west.
TONIGHT
Mostly clear in the evening, then becoming mostly cloudy. Lows in the mid 30s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.
WEDNESDAY
Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 40s. Southwest winds 5 to 10 mph.
WEDNESDAY NIGHT
Cloudy. Lows around 40. South winds 5 to 10 mph.
THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
THURSDAY NIGHT
Mostly cloudy. A chance of rain in the evening, then rain likely after midnight. Lows in the mid 40s. Chance of rain 70 percent.
FRIDAY
Mostly cloudy with rain likely in the morning, then partly sunny with a chance of rain in the afternoon. Highs in the lower 50s. Chance of rain 70 percent.
FRIDAY NIGHT
Partly cloudy in the evening, then clearing. Much cooler with lows in the mid 20s.
SATURDAY
Sunny. Highs in the lower 40s.
SATURDAY NIGHT
Mostly clear. Lows in the lower 30s.
SUNDAY
Sunny. Highs in the upper 40s.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 30s.
MONDAY
Partly sunny. Highs in the lower 50s.

Visible Weather Satellite
MT SINAI, NY 11766
Infrared Weather Satellite
MT SINAI, NY 11766
NEXRAD Weather Radar
MT SINAI, NY 11766

ISLIP, NY 3 hourly weather forecast

weather forecast created  7:00 PM EST  3/23/2026
Tuesday
24 MAR 2026
MT SINAI, NY 11766 weather forecast Day 1, 0 hours 1 AM 34° 25° Clear 2%

0% Thunder
( 0% severe)
NNW   13 63% 23°
Low 31° MT SINAI, NY 11766 weather forecast Day 1, 3 hours 4 AM 32° 23° Clear NNW   12 65% 22°
High 45° MT SINAI, NY 11766 weather forecast Day 1, 6 hours 7 AM 33° 24° Clear 0%

0% Thunder
( 0% severe)
NNW   12 59% 21°

Clear



MT SINAI, NY 11766 weather forecast Day 1, 9 hours 10 AM 40° 33° Clear N   10 43% 20°
MT SINAI, NY 11766 weather forecast Day 1, 12 hours 1 PM 43° 40° Clear 0%

0% Thunder
( 0% severe)
NNW   5 33% 17°
MT SINAI, NY 11766 weather forecast Day 1, 15 hours 4 PM 44° 39° Clear SW   8 35% 19°
MT SINAI, NY 11766 weather forecast Day 1, 18 hours 7 PM 38° 32° Partly Cloudy 1%

0% Thunder
( 0% severe)
SSW   8 51% 22°
MT SINAI, NY 11766 weather forecast Day 1, 21 hours 10 PM 37° 31° Mostly Cloudy SSW   8 61% 25°
Wednesday
25 MAR 2026
MT SINAI, NY 11766 weather forecast Day 2, 0 hours 1 AM 36° 30° Mostly Cloudy 1%

0% Thunder
( 0% severe)
SW   7 72% 28°
Low 34° MT SINAI, NY 11766 weather forecast Day 2, 3 hours 4 AM 36° 32° Partly Cloudy WSW   5 69% 27°
High 49° MT SINAI, NY 11766 weather forecast Day 2, 6 hours 7 AM 36° 33° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WSW   3 69% 27°

Mostly Cloudy



MT SINAI, NY 11766 weather forecast Day 2, 9 hours 10 AM 45° 41° Mostly Cloudy SW   7 49% 27°
MT SINAI, NY 11766 weather forecast Day 2, 12 hours 1 PM 48° 43° Mostly Cloudy 0%

0% Thunder
( 1% severe)
SSW   12 43% 27°
MT SINAI, NY 11766 weather forecast Day 2, 15 hours 4 PM 47° 42° Mostly Cloudy S   12 47% 28°
MT SINAI, NY 11766 weather forecast Day 2, 18 hours 7 PM 43° 37° Mostly Cloudy 3%

0% Thunder
( 1% severe)
S   10 62% 31°
MT SINAI, NY 11766 weather forecast Day 2, 21 hours 10 PM 42° 36° Mostly Cloudy S   9 70% 33°

ISLIP, NY extended weather forecast

BAD DAY
BAD DATE
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Low 29° Low 39° Low 46° Low 28° Low 30°
High 52° High 54° High 55° High 42° High 51°
MT SINAI, NY 11766 weather forecast Day 3 MT SINAI, NY 11766 weather forecast Day 4 MT SINAI, NY 11766 weather forecast Day 5 MT SINAI, NY 11766 weather forecast Day 6 MT SINAI, NY 11766 weather forecast Day 7
Partly Cloudy
2% Rain
Mostly Cloudy
22% Rain
Mostly Cloudy
79% Rain
Clear
15% Snow
Partly Cloudy
11% Rain/Snow
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