NISSEQUOGUE, NY 11780 Weather Forecast & Current Conditions

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ISLIP, NY
Current Weather

6:56 AM EDT MAY 18, 2026
Broken Clouds
64°F
Feels Like: 65°F
Dewpoint: 61°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: SE at 5 mph
Pressure: 30.17 inches
Last 72 hours

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NISSEQUOGUE, NY 11780
Weather Forecast

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TODAY
Sunny. Highs in the mid 80s. East winds 5 to 10 mph, becoming south 10 to 15 mph this afternoon.
TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. South winds 5 to 10 mph. Gusts up to 20 mph in the evening.
TUESDAY
Mostly sunny. Highs in the upper 80s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.
TUESDAY NIGHT
Partly cloudy. Lows in the upper 60s. Southwest winds 10 to 15 mph.
WEDNESDAY
Sunny in the morning, then mostly cloudy with showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
WEDNESDAY NIGHT
Mostly cloudy. Showers, mainly in the evening. Lows in the upper 50s. Chance of rain 90 percent.
THURSDAY
Partly sunny. Cooler with highs in the lower 70s.
THURSDAY NIGHT
Mostly cloudy. Lows in the lower 50s.
FRIDAY
Partly sunny. Highs in the upper 60s.
FRIDAY NIGHT
Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 50s. Chance of rain 60 percent.
SATURDAY
Showers likely. Highs in the upper 60s. Chance of rain 70 percent.
SATURDAY NIGHT
Showers likely. Lows in the mid 50s. Chance of rain 60 percent.
SUNDAY
Showers likely. Highs in the lower 70s. Chance of rain 60 percent.

Visible Weather Satellite
NISSEQUOGUE, NY 11780
Infrared Weather Satellite
NISSEQUOGUE, NY 11780
NEXRAD Weather Radar
NISSEQUOGUE, NY 11780

ISLIP, NY 3 hourly weather forecast

weather forecast created  8:00 PM EDT  5/17/2026
Monday
18 MAY 2026
NISSEQUOGUE, NY 11780 weather forecast Day 1, 0 hours 2 AM 65° 65° Partly Cloudy 1%

0% Thunder
( 4% severe)
  CALM 75% 57°
Low 62° NISSEQUOGUE, NY 11780 weather forecast Day 1, 3 hours 5 AM 63° 64° Partly Cloudy   CALM 84% 58°
High 79° NISSEQUOGUE, NY 11780 weather forecast Day 1, 6 hours 8 AM 68° 68° Clear 1%

0% Thunder
( 1% severe)
ENE   3 68% 57°

Clear



NISSEQUOGUE, NY 11780 weather forecast Day 1, 9 hours 11 AM 76° 78° Partly Cloudy SSE   9 52% 57°
NISSEQUOGUE, NY 11780 weather forecast Day 1, 12 hours 2 PM 77° 79° Clear 1%

0% Thunder
( 5% severe)
S   12 52% 58°
NISSEQUOGUE, NY 11780 weather forecast Day 1, 15 hours 5 PM 75° 75° Clear S   12 58% 59°
NISSEQUOGUE, NY 11780 weather forecast Day 1, 18 hours 8 PM 65° 65° Partly Cloudy 2%

0% Thunder
( 8% severe)
S   8 84% 60°
NISSEQUOGUE, NY 11780 weather forecast Day 1, 21 hours 11 PM 64° 64° Partly Cloudy SSW   9 84% 59°
Tuesday
19 MAY 2026
NISSEQUOGUE, NY 11780 weather forecast Day 2, 0 hours 2 AM 64° 63° Partly Cloudy 3%

0% Thunder
( 7% severe)
SSW   10 84% 59°
Low 62° NISSEQUOGUE, NY 11780 weather forecast Day 2, 3 hours 5 AM 63° 62° Partly Cloudy SSW   9 87% 59°
High 83° NISSEQUOGUE, NY 11780 weather forecast Day 2, 6 hours 8 AM 69° 69° Partly Cloudy 0%

0% Thunder
( 1% severe)
SSW   9 76% 61°

Partly Cloudy



NISSEQUOGUE, NY 11780 weather forecast Day 2, 9 hours 11 AM 79° 80° Partly Cloudy SSW   13 54% 61°
NISSEQUOGUE, NY 11780 weather forecast Day 2, 12 hours 2 PM 82° 83° Partly Cloudy 0%

0% Thunder
( 12% severe)
SSW   15 49% 61°
NISSEQUOGUE, NY 11780 weather forecast Day 2, 15 hours 5 PM 79° 80° Partly Cloudy SSW   16 52% 60°
NISSEQUOGUE, NY 11780 weather forecast Day 2, 18 hours 8 PM 70° 70° Partly Cloudy 2%

0% Thunder
( 11% severe)
SSW   14 71% 60°
NISSEQUOGUE, NY 11780 weather forecast Day 2, 21 hours 11 PM 68° 68° Partly Cloudy SSW   14 73% 59°

ISLIP, NY extended weather forecast

Wednesday
20 MAY 2026
Thursday
21 MAY 2026
Friday
22 MAY 2026
Saturday
23 MAY 2026
Sunday
24 MAY 2026
Low 63° Low 56° Low 51° Low 50° Low 51°
High 83° High 68° High 67° High 64° High 67°
NISSEQUOGUE, NY 11780 weather forecast Day 3 NISSEQUOGUE, NY 11780 weather forecast Day 4 NISSEQUOGUE, NY 11780 weather forecast Day 5 NISSEQUOGUE, NY 11780 weather forecast Day 6 NISSEQUOGUE, NY 11780 weather forecast Day 7
Partly Cloudy
38% Rain
Overcast
34% Rain
Mostly Cloudy
22% Rain
Overcast
50% Rain
Overcast
44% Rain
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