MT SINAI, NY 11766 Weather Forecast & Current Conditions

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ISLIP, NY
Current Weather

4:56 AM EDT MAY 13, 2025
Clear
59°F
Feels Like: 59°F
Dewpoint: 57°F
Rel. Hum.: 93%
Visibility: 10 miles
Wind: SSW at 5 mph
Pressure: 30.17 inches
Last 72 hours

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MT SINAI, NY 11766
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy. A slight chance of showers this afternoon. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.
TONIGHT
Cloudy with a 50 percent chance of showers. Lows in the mid 50s. East winds 5 to 10 mph.
WEDNESDAY
Showers with a slight chance of thunderstorms. Highs in the mid 60s. East winds 10 to 15 mph. Chance of rain 80 percent.
WEDNESDAY NIGHT
Showers with a slight chance of thunderstorms. Lows in the upper 50s. East winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 80 percent.
THURSDAY
Mostly cloudy. Showers likely with isolated thunderstorms in the morning, then a chance of showers with isolated thunderstorms in the afternoon. Highs in the lower 70s. Southeast winds around 5 mph. Chance of rain 60 percent.
THURSDAY NIGHT
Mostly cloudy. A chance of showers in the evening. Lows in the upper 50s. Chance of rain 40 percent.
FRIDAY
Mostly cloudy in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 40 percent.
FRIDAY NIGHT
Mostly cloudy with a chance of showers. Lows around 60. Chance of rain 40 percent.
SATURDAY
Partly sunny with a 50 percent chance of showers. Highs in the mid 70s.
SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A 50 percent chance of showers. Lows around 60.
SUNDAY
Partly sunny with a 40 percent chance of showers. Highs in the upper 70s.
SUNDAY NIGHT
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the upper 50s. Chance of rain 30 percent.
MONDAY
Mostly sunny. Highs in the lower 70s.

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  5/12/2025
Tuesday
13 MAY 2025
MT SINAI, NY 11766 weather forecast Day 1, 0 hours 2 AM 59° 59° Partly Cloudy 3%

0% Thunder
( 0% severe)
SW   5 80% 53°
Low 56° MT SINAI, NY 11766 weather forecast Day 1, 3 hours 5 AM 57° 58° Mostly Cloudy SSW   1 90% 54°
High 71° MT SINAI, NY 11766 weather forecast Day 1, 6 hours 8 AM 62° 63° Mostly Cloudy 19%
RAIN
<.01 in
0% Thunder
( 0% severe)
S   1 81% 56°

Mostly Cloudy

Chance of Rain

MT SINAI, NY 11766 weather forecast Day 1, 9 hours 11 AM 69° 69° Mostly Cloudy SE   7 63% 56°
MT SINAI, NY 11766 weather forecast Day 1, 12 hours 2 PM 69° 69° Mostly Cloudy 30%
RAIN
<.01 in
0% Thunder
( 3% severe)
ESE   10 61% 55°
MT SINAI, NY 11766 weather forecast Day 1, 15 hours 5 PM 65° 65° Mostly Cloudy ESE   10 70% 55°
MT SINAI, NY 11766 weather forecast Day 1, 18 hours 8 PM 61° 60° Overcast 43%
RAIN
.01–.1 in
0% Thunder
( 1% severe)
E   9 81% 55°
MT SINAI, NY 11766 weather forecast Day 1, 21 hours 11 PM 59° 57° Mostly Cloudy E   9 83% 54°
Wednesday
14 MAY 2025
MT SINAI, NY 11766 weather forecast Day 2, 0 hours 2 AM 58° 56° Mostly Cloudy 61%
RAIN
.25–.5 in
0% Thunder
( 5% severe)
E   8 87% 54°
Low 57° MT SINAI, NY 11766 weather forecast Day 2, 3 hours 5 AM 58° 56° Mostly Cloudy E   10 87% 54°
High 66° MT SINAI, NY 11766 weather forecast Day 2, 6 hours 8 AM 60° 58° Mostly Cloudy 51%
RAIN
***
0% Thunder
( 12% severe)
E   12 87% 56°

Mostly Cloudy

Rain Likely

MT SINAI, NY 11766 weather forecast Day 2, 9 hours 11 AM 64° 63° Mostly Cloudy E   15 75% 56°
MT SINAI, NY 11766 weather forecast Day 2, 12 hours 2 PM 65° 65° Mostly Cloudy 60%
RAIN
***
0% Thunder
( 21% severe)
ESE   16 73% 56°
MT SINAI, NY 11766 weather forecast Day 2, 15 hours 5 PM 63° 61° Mostly Cloudy E   14 81% 57°
MT SINAI, NY 11766 weather forecast Day 2, 18 hours 8 PM 61° 60° Mostly Cloudy 57%
RAIN
***
0% Thunder
( 13% severe)
ESE   10 87% 57°
MT SINAI, NY 11766 weather forecast Day 2, 21 hours 11 PM 60° 59° Mostly Cloudy ESE   8 90% 57°

ISLIP, NY extended weather forecast

Thursday
15 MAY 2025
Friday
16 MAY 2025
Saturday
17 MAY 2025
Sunday
18 MAY 2025
Monday
19 MAY 2025
Low 58° Low 59° Low 60° Low 59° Low 54°
High 69° High 74° High 78° High 70° High 72°
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
71% Rain
Overcast
62% Rain
Overcast
35% Rain
Mostly Cloudy
32% Rain
Partly Cloudy
24% Rain
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