MT SINAI, NY 11766 Weather Forecast & Current Conditions

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ISLIP, NY
Current Weather

12:56 PM EST DEC 16, 2025
Few Clouds
34°F
Feels Like: 27°F
Dewpoint: 16°F
Rel. Hum.: 45%
Visibility: 10 miles
Wind: WSW at 9 mph
Pressure: 30.16 inches
Last 72 hours

Local Area Snow Depth

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MT SINAI, NY 11766
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Sunny. Highs in the lower 30s. Southwest winds around 5 mph.
TONIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 20s. Southwest winds 5 to 10 mph.
WEDNESDAY
Mostly sunny. Highs in the lower 40s. Southwest winds 10 to 15 mph with gusts up to 30 mph.
WEDNESDAY NIGHT
Mostly clear. Lows in the upper 20s. West winds 10 to 15 mph. Gusts up to 25 mph in the evening.
THURSDAY
Mostly sunny. Highs in the lower 50s. South winds 5 to 10 mph.
THURSDAY NIGHT
A chance of rain in the evening, then rain after midnight. Windy with lows in the lower 40s. Chance of rain near 100 percent.
FRIDAY
Rain in the morning, then partly sunny with a chance of rain in the afternoon. Windy with highs in the mid 50s. Temperature falling into the mid 40s in the afternoon. Chance of rain near 100 percent.
FRIDAY NIGHT
Partly cloudy and windy, cooler with lows in the upper 20s.
SATURDAY
Mostly sunny. Highs in the lower 40s.
SATURDAY NIGHT
Mostly cloudy. Lows in the lower 30s.
SUNDAY
Partly sunny. Highs in the mid 40s.
SUNDAY NIGHT
Partly cloudy. Lows in the upper 20s.
MONDAY
Mostly sunny. Highs in the upper 30s.

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 AM EST 12/16/2025
Tuesday
16 DEC 2025
MT SINAI, NY 11766 weather forecast Day 1, 12 hours 1 PM 34° 27° Clear 0%

0% Thunder
( 0% severe)
WSW   8 52% 19°
High 35° MT SINAI, NY 11766 weather forecast Day 1, 15 hours 4 PM 32° 25° Partly Cloudy WSW   8 56% 19°
Increasing Clouds



MT SINAI, NY 11766 weather forecast Day 1, 18 hours 7 PM 27° 20° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WSW   7 69% 19°
MT SINAI, NY 11766 weather forecast Day 1, 21 hours 10 PM 28° 21° Mostly Cloudy WSW   7 70% 20°
Wednesday
17 DEC 2025
MT SINAI, NY 11766 weather forecast Day 2, 0 hours 1 AM 28° 20° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   8 73% 21°
Low 26° MT SINAI, NY 11766 weather forecast Day 2, 3 hours 4 AM 31° 22° Clear SW   10 74% 24°
High 45° MT SINAI, NY 11766 weather forecast Day 2, 6 hours 7 AM 34° 25° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   12 75% 27°

Mostly Cloudy



MT SINAI, NY 11766 weather forecast Day 2, 9 hours 10 AM 42° 35° Partly Cloudy SW   14 65% 31°
MT SINAI, NY 11766 weather forecast Day 2, 12 hours 1 PM 45° 38° Mostly Cloudy 3%

0% Thunder
( 0% severe)
WSW   16 63% 33°
MT SINAI, NY 11766 weather forecast Day 2, 15 hours 4 PM 44° 37° Mostly Cloudy WSW   14 65% 33°
MT SINAI, NY 11766 weather forecast Day 2, 18 hours 7 PM 39° 32° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   12 76% 32°
MT SINAI, NY 11766 weather forecast Day 2, 21 hours 10 PM 38° 32° Partly Cloudy W   8 76% 31°
Thursday
18 DEC 2025
MT SINAI, NY 11766 weather forecast Day 3, 0 hours 1 AM 35° 32° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   3 82% 30°
Low 30° MT SINAI, NY 11766 weather forecast Day 3, 3 hours 4 AM 33° 30° Partly Cloudy NW   2 81% 28°
High 54° MT SINAI, NY 11766 weather forecast Day 3, 6 hours 7 AM 33° 30° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   1 81% 28°

Partly Cloudy



MT SINAI, NY 11766 weather forecast Day 3, 9 hours 10 AM 42° 38° Partly Cloudy SSE   7 70% 33°
MT SINAI, NY 11766 weather forecast Day 3, 15 hours 1 PM 48° 43° Partly Cloudy 4%

0% Thunder
( 0% severe)
S   12 68% 38°
MT SINAI, NY 11766 weather forecast Day 3, 18 hours 4 PM 47° 42° Mostly Cloudy SSE   12 76% 40°
MT SINAI, NY 11766 weather forecast Day 3, 21 hours 7 PM 45° 40° Mostly Cloudy     SSE   10 89% 42°

ISLIP, NY extended weather forecast

Friday
19 DEC 2025
Saturday
20 DEC 2025
Sunday
21 DEC 2025
Monday
22 DEC 2025
Tuesday
23 DEC 2025
Low 43° Low 30° Low 31° Low 24° Low 23°
High 57° High 40° High 47° High 38° High 43°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
94% Rain
Clear
14% Rain/Snow
Partly Cloudy
26% Rain
Clear
17% Rain/Snow
Partly Cloudy
22% Rain/Snow
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