PORT JEFF STA, NY 11776 Weather Forecast & Current Conditions
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  11776 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

ISLIP, NY
Current Weather
12:56 AM EDT JUN 18, 2025
Mist
64°F
Feels Like: 64°F
Dewpoint: 64°F
Rel. Hum.: 100%
Visibility: 3/4 miles
Wind: S at 6 mph
Pressure:
Last 72 hours

Local Area Snow Depth

New York Current Weather

New York MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  11776 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

PORT JEFF STA, NY 11776
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TONIGHT
Cloudy. A slight chance of showers late this evening, then a chance of showers with isolated thunderstorms after midnight. Areas of dense fog. Visibility one quarter mile or less at times. Near steady temperature in the mid 60s. Southeast winds around 5 mph. Chance of rain 50 percent.
WEDNESDAY
Cloudy. Areas of dense fog in the morning. A chance of showers with isolated thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce gusty winds and heavy rainfall in the afternoon. Visibility one quarter mile or less at times in the morning. Humid with highs in the mid 70s. South winds 5 to 10 mph. Chance of rain 50 percent.
WEDNESDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Some thunderstorms may produce gusty winds and heavy rainfall. Humid with lows in the upper 60s. South winds around 5 mph. Chance of rain 50 percent.
JUNETEENTH
Mostly sunny. A 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 40 percent. Heat index values in the upper 90s.
THURSDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers with a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the mid 60s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 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
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s.
SUNDAY
Mostly sunny. Highs in the upper 80s.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 70s.
MONDAY
Sunny. Highs in the lower 90s. Heat index values in the upper 90s.
MONDAY NIGHT
Mostly clear. Lows in the lower 70s.

  11776 WEATHER SATELLITE LOOPS
Visible Weather Satellite
PORT JEFF STA, NY 11776
Infrared Weather Satellite
PORT JEFF STA, NY 11776
  11776 WEATHER RADAR LOOP
NEXRAD Weather Radar
PORT JEFF STA, NY 11776
 MOS COMPUTER WEATHER FORECAST

ISLIP, NY 3 hourly weather forecast
weather forecast created  8:00 PM EDT  6/17/2025
Wednesday
18 JUN 2025		 PORT JEFF STA, NY 11776 weather forecast Day 1, 0 hours 2 AM 66° 66° Mostly Cloudy 40%
RAIN
.1–.25 in		 0% Thunder
( 15% severe)		 S   3 97% 65°
Low 65° PORT JEFF STA, NY 11776 weather forecast Day 1, 3 hours 5 AM 66° 66° Mostly Cloudy S   5 97% 65°
High 78° PORT JEFF STA, NY 11776 weather forecast Day 1, 6 hours 8 AM 67° 67° Mostly Cloudy 14%
RAIN
<.01 in		 0% Thunder
( 7% severe)		 S   6 97% 66°

Mostly Cloudy

Chance of Rain

 PORT JEFF STA, NY 11776 weather forecast Day 1, 9 hours 11 AM 72° 72° Mostly Cloudy S   8 84% 67°
PORT JEFF STA, NY 11776 weather forecast Day 1, 12 hours 2 PM 74° 74° Mostly Cloudy 40%
RAIN
<.01 in		 0% Thunder
( 28% severe)		 S   8 82% 68°
PORT JEFF STA, NY 11776 weather forecast Day 1, 15 hours 5 PM 75° 75° Mostly Cloudy S   8 82% 69°
PORT JEFF STA, NY 11776 weather forecast Day 1, 18 hours 8 PM 71° 71° Mostly Cloudy 29%
RAIN
1–2 in		 0% Thunder
( 14% severe)		 S   6 90% 68°
PORT JEFF STA, NY 11776 weather forecast Day 1, 21 hours 11 PM 70° 70° Mostly Cloudy S   5 93% 68°
Thursday
19 JUN 2025		 PORT JEFF STA, NY 11776 weather forecast Day 2, 0 hours 2 AM 70° 70° Mostly Cloudy 6%

 0% Thunder
( 3% severe)		 WSW   5 93% 68°
Low 68° PORT JEFF STA, NY 11776 weather forecast Day 2, 3 hours 5 AM 70° 70° Mostly Cloudy SW   5 93% 68°
High 85° PORT JEFF STA, NY 11776 weather forecast Day 2, 6 hours 8 AM 73° 73° Mostly Cloudy 1%

 0% Thunder
( 2% severe)		 SW   7 90% 70°

Partly Cloudy

Chance of Rain

 PORT JEFF STA, NY 11776 weather forecast Day 2, 9 hours 11 AM 81° 84° Partly Cloudy SW   12 69% 70°
PORT JEFF STA, NY 11776 weather forecast Day 2, 12 hours 2 PM 84° 88° Clear 24%
RAIN
<.01 in		 0% Thunder
( 18% severe)		 SSW   15 63% 70°
PORT JEFF STA, NY 11776 weather forecast Day 2, 15 hours 5 PM 82° 85° Partly Cloudy SSW   16 63% 68°
PORT JEFF STA, NY 11776 weather forecast Day 2, 18 hours 8 PM 76° 77° Mostly Cloudy 32%
RAIN
***		 0% Thunder
( 11% severe)		 SW   14 74% 67°
PORT JEFF STA, NY 11776 weather forecast Day 2, 21 hours 11 PM 74° 74° Mostly Cloudy WSW   12 79% 67°

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 69° Low 68° Low 64° Low 68° Low 70°
High 86° High 82° High 83° High 88° High 89°
PORT JEFF STA, NY 11776 weather forecast Day 3 PORT JEFF STA, NY 11776 weather forecast Day 4 PORT JEFF STA, NY 11776 weather forecast Day 5 PORT JEFF STA, NY 11776 weather forecast Day 6 PORT JEFF STA, NY 11776 weather forecast Day 7
Mostly Cloudy
52% Rain		 Partly Cloudy
53% Rain		 Partly Cloudy
14% Rain		 Partly Cloudy
21% Rain		 Clear
16% Rain
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