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November 15th, 2025 :: 5:39 pm EST   

Local Weather Report for
Islip
New York, United States

 Current Islip Weather Conditions Updated November 15th at 4:56 pm 
Overcast
Temperature:46°F Dew Point:34°F
Barometer:29.62 inHg Wind:N 13 Mph
Humidity:61.2% Visibility:0M
 
 Islip Weather Forecast Summary  
 
Today
Nov 15th
Sunday
Nov 16th
Monday
Nov 17th
Tuesday
Nov 18th
Wednesday
Nov 19th
Showers Cloudy Mix of Cloud and Sun Cloudy Cloudy
54°F
56°F
40°F
43°F
38°F
46°F
38°F
46°F
40°F
 
 Islip Detailed Weather Forecast  
 
Saturday, November 15th, 2025
Evening Temperature: 52°F
Cloudy with a few showers. Windy.
Sunday, November 16th, 2025
Overnight Temperature: 56°F
Cloudy with a chance of showers. Windy.
Morning Temperature: 50°F
Cloudy. Wind 25 to 40 mph.
Afternoon Temperature: 45°F
Sunny. Wind 25 to 40 mph.
Evening Temperature: 40°F
Clear with cloudy periods. Wind 25 to 40 mph.
Monday, November 17th, 2025
Overnight Temperature: 39°F
Cloudy with clear periods. Wind 25 to 40 mph.
Morning Temperature: 41°F
Cloudy with sunny periods. Wind 20 to 30 mph.
Afternoon Temperature: 42°F
Mostly sunny. Wind 20 to 30 mph.
Evening Temperature: 40°F
Clear. Wind 20 to 30 mph.
Tuesday, November 18th, 2025
Overnight Temperature: 39°F
Clear. Windy.
Morning Temperature: 43°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 46°F
Cloudy. Windy.
Evening Temperature: 44°F
Cloudy. Windy at times.
Wednesday, November 19th, 2025
Overnight Temperature: 41°F
Clear. Windy at times.
Morning Temperature: 43°F
Sunny.
Afternoon Temperature: 46°F
Cloudy. Windy at times.
Evening Temperature: 43°F
Cloudy. Windy at times.
Thursday, November 20th, 2025
Overnight Temperature: 41°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 42°F
Sunny.
Afternoon Temperature: 45°F
Sunny with cloudy periods.
Evening Temperature: 43°F
Cloudy.
Friday, November 21st, 2025
Overnight Temperature: 41°F
Cloudy.
Morning Temperature: 45°F
Cloudy.
Afternoon Temperature: 47°F
Cloudy.
Evening Temperature: 50°F
Cloudy. Windy at times.
Saturday, November 22nd, 2025
Overnight Temperature: 53°F
Cloudy with a few showers. Windy.
Morning Temperature: 55°F
Cloudy with periods of rain. Windy at times.
Afternoon Temperature: 55°F
Cloudy.
Evening Temperature: 55°F
Cloudy. Windy at times.
Sunday, November 23rd, 2025
Overnight Temperature: 52°F
Cloudy. Windy.
Morning Temperature: 50°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 50°F
Sunny. Windy at times.
Evening Temperature: 46°F
Clear. Windy at times.





 

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4:56 PM  46°F
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4:56 PM  45°F
Mostly Cloudy
 
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4:56 PM  46°F
Overcast
 
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4:56 PM  45°F
Mostly Cloudy
 
Port Jefferson, NY 
4:56 PM  46°F
Overcast

 
This WeatherCity Weather Forecast for Islip, New York, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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