SOUTH SETAUKET, NY 11720 Weather Forecast & Current Conditions

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11720 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ISLIP, NY Current Weather
9:56 AM EDT APR 5, 2026
Broken Clouds Mist 52°F
Feels Like:	47°F
Dewpoint:	50°F
Rel. Hum.:	93%
Visibility:	2 miles
Wind:	SSW at 15 mph, gusts to 26
Pressure:	29.85 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)

11720 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	SOUTH SETAUKET, NY 11720 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
A chance of rain with a slight chance of thunderstorms early, then rain with a slight chance of thunderstorms. Highs in the upper 50s. Southeast winds 5 to 10 mph, becoming southwest 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.

TONIGHT
Mostly cloudy with rain likely in the evening, then mostly clear after midnight. Lows in the upper 30s. West winds 10 to 15 mph. Chance of rain 60 percent.

MONDAY
Sunny. Highs in the lower 50s. West winds 10 to 15 mph.

MONDAY NIGHT
Partly cloudy with a 20 percent chance of rain. Lows in the upper 30s. West winds 5 to 10 mph.

TUESDAY
Partly sunny with a 20 percent chance of rain. Highs in the lower 50s. West winds 15 to 20 mph.

TUESDAY NIGHT
Mostly clear. Lows around 30.

WEDNESDAY
Sunny. Highs in the mid 40s.

WEDNESDAY NIGHT
Mostly clear. Lows in the mid 30s.

THURSDAY
Mostly sunny. Highs in the mid 50s.

THURSDAY NIGHT
Partly cloudy. Lows in the lower 40s.

FRIDAY
Mostly sunny. Highs in the lower 60s.

FRIDAY NIGHT
Partly cloudy. Lows in the mid 40s.

SATURDAY
Partly sunny. Highs in the lower 60s.

11720 WEATHER SATELLITE LOOPS

Visible Weather Satellite
SOUTH SETAUKET, NY 11720

Infrared Weather Satellite
SOUTH SETAUKET, NY 11720

11720 WEATHER RADAR LOOP

NEXRAD Weather Radar
SOUTH SETAUKET, NY 11720

MOS COMPUTER WEATHER FORECAST

ISLIP, NY 3 hourly weather forecast

weather forecast created 8:00 PM EDT 4/ 4/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
5 APR 2026

2 AM

43°

38°

Mostly Cloudy

37%
RAIN
>2 in

0% Thunder
( 13% severe)

E 9

89%

40°

Low 42°

5 AM

46°

41°

Mostly Cloudy

SE 9

93%

44°

High 58°

8 AM

49°

44°

Mostly Cloudy

67%
RAIN
***

0% Thunder
( 16% severe)

SSW 13

93%

47°

Mostly Cloudy

Rain

11 AM

55°

50°

Mostly Cloudy

SSW 18

83%

50°

2 PM

56°

52°

Mostly Cloudy

91%
RAIN
***

0% Thunder
( 9% severe)

SW 18

77%

49°

5 PM

56°

53°

Mostly Cloudy

SW 14

77%

49°

8 PM

53°

50°

Mostly Cloudy

10%
RAIN
.01–.1 in

0% Thunder
( 1% severe)

WSW 9

74%

45°

11 PM

49°

45°

Mostly Cloudy

WNW 10

68%

39°

Monday
6 APR 2026

2 AM

44°

38°

Clear

1%

0% Thunder
( 0% severe)

WNW 10

65%

33°

Low 38°

5 AM

40°

33°

Clear

WNW 12

64%

29°

High 54°

8 AM

41°

34°

Clear

0%

0% Thunder
( 0% severe)

WNW 12

59%

28°

Partly Cloudy

11 AM

47°

41°

Partly Cloudy

W 13

43%

26°

2 PM

51°

46°

Partly Cloudy

2%

0% Thunder
( 1% severe)

W 14

37%

26°

5 PM

52°

48°

Partly Cloudy

W 12

37%

27°

8 PM

47°

44°

Partly Cloudy

7%

0% Thunder
( 2% severe)

WSW 6

51%

30°

11 PM

44°

41°

Mostly Cloudy

W 6

62%

32°


ISLIP, NY extended weather forecast
Tuesday 7 APR 2026	Wednesday 8 APR 2026	Thursday 9 APR 2026	Friday 10 APR 2026	Saturday 11 APR 2026
Low 36°	Low 27°	Low 36°	Low 42°	Low 46°
High 53°	High 47°	High 55°	High 59°	High 61°

Partly Cloudy 11% Rain/Snow	Clear 2% Snow	Clear 16% Rain	Partly Cloudy 32% Rain	Partly Cloudy 25% Rain

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