MOUNT SINAI, NY 11766 Weather Forecast & Current Conditions

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11766 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ISLIP, NY Current Weather
5:56 AM EDT JUN 17, 2025
Overcast Mist 64°F
Feels Like:	64°F
Dewpoint:	61°F
Rel. Hum.:	90%
Visibility:	5 miles
Wind:	E at 6 mph
Pressure:	30.05 inches
Last 72 hours
Local Area Snow Depth
New York Current Weather
New York MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

11766 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	MOUNT SINAI, NY 11766 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Patchy fog this morning. Cloudy with a 40 percent chance of showers. Highs in the lower 70s. East winds 5 to 10 mph.

TONIGHT
Cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Patchy fog. Lows in the mid 60s. South winds around 5 mph. Chance of rain 50 percent.

WEDNESDAY
Mostly cloudy. Patchy fog in the morning. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Humid with highs around 80. South winds 5 to 10 mph. Chance of rain 50 percent.

WEDNESDAY NIGHT
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a slight chance of showers after midnight. Humid with lows in the upper 60s. Southwest winds around 5 mph. Chance of rain 70 percent.

JUNETEENTH
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

THURSDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the upper 60s. Chance of rain 30 percent.

FRIDAY
Sunny. Highs in the mid 80s.

FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.

SATURDAY
Mostly sunny. Highs in the mid 80s.

SATURDAY NIGHT
Mostly cloudy. Lows in the upper 60s.

SUNDAY
Mostly sunny. Highs in the upper 80s. Heat index values in the mid 90s in the afternoon.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows around 70.

MONDAY
Mostly sunny. Highs around 90. Heat index values in the upper 90s in the afternoon.

11766 WEATHER SATELLITE LOOPS

Visible Weather Satellite
MOUNT SINAI, NY 11766

Infrared Weather Satellite
MOUNT SINAI, NY 11766

11766 WEATHER RADAR LOOP

NEXRAD Weather Radar
MOUNT SINAI, NY 11766

MOS COMPUTER WEATHER FORECAST

ISLIP, NY 3 hourly weather forecast

weather forecast created 8:00 PM EDT 6/16/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
17 JUN 2025

2 AM

63°

64°

Mostly Cloudy

19%
RAIN
<.01 in

0% Thunder
( 5% severe)

E 5

93%

61°

Low 62°

5 AM

63°

64°

Mostly Cloudy

ENE 5

93%

61°

High 72°

8 AM

64°

64°

Mostly Cloudy

19%
RAIN
<.01 in

0% Thunder
( 2% severe)

ENE 7

93%

62°

Mostly Cloudy

11 AM

68°

68°

Mostly Cloudy

E 8

84%

63°

2 PM

70°

70°

Mostly Cloudy

8%

0% Thunder
( 1% severe)

SE 8

81%

64°

5 PM

70°

70°

Mostly Cloudy

SE 7

81%

64°

8 PM

67°

67°

Mostly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 4% severe)

SE 5

90%

64°

11 PM

66°

66°

Overcast

SSE 2

93%

64°

Wednesday
18 JUN 2025

2 AM

66°

66°

Overcast

24%
RAIN
<.01 in

0% Thunder
( 10% severe)

S 2

97%

65°

Low 65°

5 AM

66°

66°

Overcast

S 3

97%

65°

High 78°

8 AM

68°

68°

Mostly Cloudy

18%
RAIN
***

0% Thunder
( 11% severe)

S 6

93%

66°

Mostly Cloudy

Chance of Rain

11 AM

72°

72°

Mostly Cloudy

S 8

84%

67°

2 PM

75°

75°

Mostly Cloudy

29%
RAIN
.01–.1 in

0% Thunder
( 26% severe)

S 10

79%

68°

5 PM

76°

77°

Mostly Cloudy

S 9

79%

69°

8 PM

72°

72°

Mostly Cloudy

35%
RAIN
***

0% Thunder
( 28% severe)

SSW 7

87%

68°

11 PM

71°

71°

Mostly Cloudy

SSW 6

93%

69°


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 65°	Low 70°	Low 67°	Low 63°	Low 64°
High 84°	High 86°	High 81°	High 79°	High 84°

Overcast 59% Rain	Mostly Cloudy 53% Rain	Partly Cloudy 53% Rain	Partly Cloudy 27% Rain	Partly Cloudy 32% Rain

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