MT SINAI, NY 11766 Weather Forecast & Current Conditions

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ISLIP, NY
Current Weather

7:56 AM EDT JUL 12, 2025
Broken Clouds
75°F
Feels Like: 75°F
Dewpoint: 70°F
Rel. Hum.: 84%
Visibility: 10 miles
Wind: E at 7 mph
Pressure: 30.09 inches
Last 72 hours

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MT SINAI, NY 11766
Weather Forecast

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TODAY
Mostly cloudy this morning, then becoming mostly sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph.
TONIGHT
Mostly cloudy. Humid with lows around 70. East winds 5 to 10 mph.
SUNDAY
Mostly cloudy in the morning, then becoming mostly sunny. Humid with highs in the lower 80s. East winds 5 to 10 mph.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the lower 70s. Southeast winds 5 to 10 mph.
MONDAY
Patchy fog in the morning. Partly sunny with a chance of showers and thunderstorms. Humid with highs in the mid 80s. South winds 5 to 10 mph. Chance of rain 50 percent.
MONDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening. Patchy fog after midnight. Lows in the lower 70s. Chance of rain 50 percent.
TUESDAY
Patchy fog in the morning. Mostly sunny. Highs in the upper 80s. Heat index values in the upper 90s.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 70s.
WEDNESDAY
Mostly sunny. Highs around 90. Heat index values up to 100.
WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 70s.
THURSDAY
Partly sunny. A chance of showers in the afternoon. Highs around 90. Chance of rain 40 percent. Heat index values up to 100.
THURSDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the mid 70s. Chance of rain 40 percent.
FRIDAY
Partly sunny. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 50 percent. Heat index values up to 100.

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  8:00 PM EDT  7/11/2025
Saturday
12 JUL 2025
MT SINAI, NY 11766 weather forecast Day 1, 0 hours 2 AM 73° 73° Mostly Cloudy 2%

0% Thunder
( 3% severe)
SE   1 93% 71°
Low 71° MT SINAI, NY 11766 weather forecast Day 1, 3 hours 5 AM 72° 72° Mostly Cloudy E   1 93% 70°
High 83° MT SINAI, NY 11766 weather forecast Day 1, 6 hours 8 AM 73° 73° Mostly Cloudy 2%

0% Thunder
( 2% severe)
E   2 90% 70°

Mostly Cloudy



MT SINAI, NY 11766 weather forecast Day 1, 9 hours 11 AM 78° 80° Mostly Cloudy ESE   7 74% 69°
MT SINAI, NY 11766 weather forecast Day 1, 12 hours 2 PM 81° 84° Partly Cloudy 4%

0% Thunder
( 4% severe)
SE   10 67% 69°
MT SINAI, NY 11766 weather forecast Day 1, 15 hours 5 PM 80° 83° Partly Cloudy SE   10 67% 68°
MT SINAI, NY 11766 weather forecast Day 1, 18 hours 8 PM 74° 74° Mostly Cloudy 4%

0% Thunder
( 2% severe)
ESE   7 82% 68°
MT SINAI, NY 11766 weather forecast Day 1, 21 hours 11 PM 72° 72° Mostly Cloudy ESE   5 90% 69°
Sunday
13 JUL 2025
MT SINAI, NY 11766 weather forecast Day 2, 0 hours 2 AM 72° 72° Mostly Cloudy 3%

0% Thunder
( 1% severe)
E   3 90% 69°
Low 71° MT SINAI, NY 11766 weather forecast Day 2, 3 hours 5 AM 72° 72° Mostly Cloudy E   3 90% 69°
High 83° MT SINAI, NY 11766 weather forecast Day 2, 6 hours 8 AM 73° 73° Mostly Cloudy 1%

0% Thunder
( 2% severe)
E   5 90% 70°

Mostly Cloudy



MT SINAI, NY 11766 weather forecast Day 2, 9 hours 11 AM 77° 79° Mostly Cloudy E   8 76% 69°
MT SINAI, NY 11766 weather forecast Day 2, 12 hours 2 PM 80° 83° Partly Cloudy 1%

0% Thunder
( 7% severe)
ESE   10 72% 70°
MT SINAI, NY 11766 weather forecast Day 2, 15 hours 5 PM 80° 83° Partly Cloudy SE   10 72% 70°
MT SINAI, NY 11766 weather forecast Day 2, 18 hours 8 PM 76° 77° Mostly Cloudy 3%

0% Thunder
( 6% severe)
SE   7 82% 70°
MT SINAI, NY 11766 weather forecast Day 2, 21 hours 11 PM 74° 74° Mostly Cloudy SE   5 90% 71°

ISLIP, NY extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
Low 70° Low 70° Low 72° Low 72° Low 73°
High 83° High 83° High 86° High 84° High 87°
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
Overcast
17% Rain
Overcast
41% Rain
Overcast
47% Rain
Partly Cloudy
38% Rain
Partly Cloudy
45% Rain
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