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September 12th, 2025 :: 10:36 am EDT   

Local Weather Report for
Islandia
New York, United States

 Current Islandia Weather Conditions Updated September 12th at 9:56 am 
Overcast
Temperature:70°F Dew Point:54°F
Barometer:30.21 inHg Wind:N 15 Mph
Humidity:56.4% Visibility:0M
 
 Islandia Weather Forecast Summary  
 
Today
Sep 12th
Saturday
Sep 13th
Sunday
Sep 14th
Monday
Sep 15th
Tuesday
Sep 16th
Cloudy Cloudy Cloudy Cloudy Cloudy
72°F
74°F
66°F
74°F
69°F
74°F
66°F
73°F
67°F
 
 Islandia Detailed Weather Forecast  
 
Friday, September 12th, 2025
Morning Temperature: 70°F
Sunny. Windy at times.
Afternoon Temperature: 70°F
Cloudy. Windy at times.
Evening Temperature: 66°F
Cloudy. Windy at times.
Saturday, September 13th, 2025
Overnight Temperature: 66°F
Cloudy.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 70°F
Cloudy. Windy at times.
Evening Temperature: 68°F
Cloudy. Windy at times.
Sunday, September 14th, 2025
Overnight Temperature: 69°F
Cloudy with a slight chance of showers.
Morning Temperature: 71°F
Cloudy with a slight chance of showers.
Afternoon Temperature: 73°F
Sunny with cloudy periods with a chance of showers. Slight chance of a thunderstorm.
Evening Temperature: 70°F
Clear. Slight chance of a thunderstorm.
Monday, September 15th, 2025
Overnight Temperature: 66°F
Clear. Windy at times.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 72°F
Cloudy. Windy at times.
Evening Temperature: 69°F
A mix of cloudy and clear skies.
Tuesday, September 16th, 2025
Overnight Temperature: 67°F
A mix of clear and cloudy skies.
Morning Temperature: 72°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 71°F
Cloudy. Windy at times.
Evening Temperature: 69°F
Cloudy.
Wednesday, September 17th, 2025
Overnight Temperature: 68°F
Clear.
Morning Temperature: 73°F
Cloudy.
Afternoon Temperature: 71°F
Cloudy. Windy at times.
Evening Temperature: 68°F
Cloudy.
Thursday, September 18th, 2025
Overnight Temperature: 66°F
A mix of cloudy and clear skies.
Morning Temperature: 72°F
Cloudy. Windy at times.
Afternoon Temperature: 69°F
Cloudy. Windy at times.
Evening Temperature: 65°F
A mix of cloudy and clear skies.
Friday, September 19th, 2025
Overnight Temperature: 65°F
Clear.
Morning Temperature: 71°F
Sunny.
Afternoon Temperature: 72°F
Sunny. Windy at times.
Evening Temperature: 68°F
Clear.
Saturday, September 20th, 2025
Overnight Temperature: 68°F
Clear.
Morning Temperature: 76°F
Sunny.
Afternoon Temperature: 74°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 69°F
Clear.





 

  [ Local Weather Report ]
Islip, NY 
9:56 AM  70°F
Overcast
 
Smithtown, NY 
9:56 AM  70°F
Overcast
 
Village Of The Branch, NY 
9:56 AM  70°F
Overcast
 
Lake Grove, NY 
9:56 AM  70°F
Overcast
 
Head Of The Harbor, NY 
9:56 AM  70°F
Overcast
 
Nissequogue, NY 
9:56 AM  70°F
Overcast
 
Brightwaters, NY 
9:53 AM  68°F
Overcast
 
Patchogue, NY 
9:56 AM  70°F
Overcast
 
Middleville, NY 
9:56 AM  70°F
Overcast
 
Babylon, NY 
9:53 AM  68°F
Overcast

This WeatherCity Weather Forecast for Islandia, 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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