SOUTH SETAUKET, NY 11720 Weather Forecast & Current Conditions

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ISLIP, NY
Current Weather

2:56 PM EDT OCT 16, 2025
Clear
61°F
Feels Like: 58°F
Dewpoint: 28°F
Rel. Hum.: 28%
Visibility: 10 miles
Wind: NNW at 22 mph, gusts to 35
Pressure: 29.85 inches
Last 72 hours

Local Area Snow Depth

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SOUTH SETAUKET, NY 11720
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Sunny. Near steady temperature in the mid 50s. North winds 15 to 20 mph with gusts up to 30 mph.
TONIGHT
Clear. Lows in the mid 40s. North winds 15 to 20 mph with gusts up to 30 mph.
FRIDAY
Sunny. Highs in the lower 60s. North winds 10 to 15 mph with gusts up to 25 mph.
FRIDAY NIGHT
Mostly clear. Lows in the mid 40s. North winds 5 to 10 mph.
SATURDAY
Sunny. Highs in the lower 60s. North winds around 5 mph, becoming west in the afternoon.
SATURDAY NIGHT
Partly cloudy. Lows in the lower 50s.
SUNDAY
Mostly sunny. Highs in the upper 60s.
SUNDAY NIGHT
Showers likely. Lows in the mid 50s. Chance of rain 70 percent.
MONDAY
Partly sunny. A chance of showers. Highs in the mid 60s. Chance of rain 50 percent.
MONDAY NIGHT
Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the lower 50s. Chance of rain 40 percent.
TUESDAY
Sunny. Highs in the upper 60s.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A 50 percent chance of showers. Lows in the lower 50s.
WEDNESDAY
Partly sunny with a 50 percent chance of showers. Highs in the lower 60s.

Visible Weather Satellite
SOUTH SETAUKET, NY 11720
Infrared Weather Satellite
SOUTH SETAUKET, NY 11720
NEXRAD Weather Radar
SOUTH SETAUKET, NY 11720

ISLIP, NY 3 hourly weather forecast

weather forecast created  8:00 AM EDT 10/16/2025
Thursday
16 OCT 2025
SOUTH SETAUKET, NY 11720 weather forecast Day 1, 12 hours 2 PM 57° 53° Clear 0%

0% Thunder
( 0% severe)
NNW   18 39% 32°
High 58° SOUTH SETAUKET, NY 11720 weather forecast Day 1, 15 hours 5 PM 57° 53° Clear NNW   18 37% 31°
Clear




Breezy
SOUTH SETAUKET, NY 11720 weather forecast Day 1, 18 hours 8 PM 52° 47° Clear 0%

0% Thunder
( 0% severe)
N   16 46% 32°
SOUTH SETAUKET, NY 11720 weather forecast Day 1, 21 hours 11 PM 50° 45° Clear N   15 52% 33°
Friday
17 OCT 2025
SOUTH SETAUKET, NY 11720 weather forecast Day 2, 0 hours 2 AM 47° 41° Clear 0%

0% Thunder
( 0% severe)
N   13 58% 33°
Low 45° SOUTH SETAUKET, NY 11720 weather forecast Day 2, 3 hours 5 AM 46° 40° Clear N   14 63% 34°
High 63° SOUTH SETAUKET, NY 11720 weather forecast Day 2, 6 hours 8 AM 49° 44° Clear 0%

0% Thunder
( 0% severe)
N   14 63% 37°

Clear



SOUTH SETAUKET, NY 11720 weather forecast Day 2, 9 hours 11 AM 57° 54° Clear N   14 47% 37°
SOUTH SETAUKET, NY 11720 weather forecast Day 2, 12 hours 2 PM 61° 59° Clear 0%

0% Thunder
( 0% severe)
NNW   14 41% 37°
SOUTH SETAUKET, NY 11720 weather forecast Day 2, 15 hours 5 PM 61° 59° Clear NNW   13 41% 37°
SOUTH SETAUKET, NY 11720 weather forecast Day 2, 18 hours 8 PM 53° 50° Clear 0%

0% Thunder
( 0% severe)
NNW   10 57% 38°
SOUTH SETAUKET, NY 11720 weather forecast Day 2, 21 hours 11 PM 51° 48° Clear N   8 61% 38°
Saturday
18 OCT 2025
SOUTH SETAUKET, NY 11720 weather forecast Day 3, 0 hours 2 AM 48° 45° Clear 0%

0% Thunder
( 0% severe)
N   7 68% 38°
Low 46° SOUTH SETAUKET, NY 11720 weather forecast Day 3, 3 hours 5 AM 47° 44° Clear N   7 71% 38°
High 65° SOUTH SETAUKET, NY 11720 weather forecast Day 3, 6 hours 8 AM 50° 48° Clear 0%

0% Thunder
( 0% severe)
N   6 68% 40°

Partly Cloudy



SOUTH SETAUKET, NY 11720 weather forecast Day 3, 9 hours 11 AM 59° 58° Clear N   6 47% 39°
SOUTH SETAUKET, NY 11720 weather forecast Day 3, 15 hours 2 PM 63° 63° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   6 39% 38°
SOUTH SETAUKET, NY 11720 weather forecast Day 3, 18 hours 5 PM 62° 62° Partly Cloudy SW   6 44% 40°
SOUTH SETAUKET, NY 11720 weather forecast Day 3, 21 hours 8 PM 55° 54° Partly Cloudy     SSW   5 64% 43°

ISLIP, NY extended weather forecast

Sunday
19 OCT 2025
Monday
20 OCT 2025
Tuesday
21 OCT 2025
Wednesday
22 OCT 2025
Thursday
23 OCT 2025
Low 48° Low 56° Low 47° Low 50° Low 46°
High 69° High 64° High 66° High 65° High 62°
SOUTH SETAUKET, NY 11720 weather forecast Day 4 SOUTH SETAUKET, NY 11720 weather forecast Day 5 SOUTH SETAUKET, NY 11720 weather forecast Day 6 SOUTH SETAUKET, NY 11720 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
11% Rain
Mostly Cloudy
79% Rain
Clear
18% Rain
Partly Cloudy
71% Rain
Partly Cloudy
30% Rain
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