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September 9th, 2026 :: 11:58 am EDT   

Local Weather Report for
Sullivan
New York, United States

 Sullivan Weather Forecast Summary  
 
Today
Sep 9th
Thursday
Sep 10th
Friday
Sep 11th
Saturday
Sep 12th
Sunday
Sep 13th
Mostly Cloudy with Showers Mostly Cloudy with Showers Mostly Sunny Mostly Sunny Mix of Sun and Cloud
69°F
72°F
57°F
66°F
48°F
75°F
48°F
74°F
59°F
 
 Sullivan Detailed Weather Forecast  
 
Wednesday, September 9th, 2026
Afternoon Temperature: 66°F
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 69°F
Cloudy with showers likely. Windy at times.
Thursday, September 10th, 2026
Overnight Temperature: 68°F
A mix of cloudy and clear skies with showers likely. Windy at times.
Morning Temperature: 67°F
Sunny with cloudy periods with a slight chance of showers. Windy at times.
Afternoon Temperature: 70°F
Sunny with cloudy periods. Windy.
Evening Temperature: 58°F
A mix of cloudy and clear skies.
Friday, September 11th, 2026
Overnight Temperature: 50°F
Clear with cloudy periods.
Morning Temperature: 55°F
Sunny.
Afternoon Temperature: 65°F
Sunny.
Evening Temperature: 52°F
Clear.
Saturday, September 12th, 2026
Overnight Temperature: 49°F
Clear.
Morning Temperature: 60°F
Sunny.
Afternoon Temperature: 75°F
Sunny.
Evening Temperature: 63°F
Mostly clear. Windy at times.
Sunday, September 13th, 2026
Overnight Temperature: 61°F
Clear with cloudy periods.
Morning Temperature: 68°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 74°F
A mix of sun and cloud. Windy at times.
Evening Temperature: 69°F
A mix of cloudy and clear skies.
Monday, September 14th, 2026
Overnight Temperature: 66°F
A mix of cloudy and clear skies.
Morning Temperature: 72°F
A mix of sun and cloud. Slight chance of a thunderstorm.
Afternoon Temperature: 80°F
Mostly sunny with a slight chance of showers or thundershowers.
Evening Temperature: 68°F
Mostly clear.
Tuesday, September 15th, 2026
Overnight Temperature: 67°F
Mostly clear.
Morning Temperature: 74°F
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 85°F
Sunny with cloudy periods with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 71°F
Mostly clear with showers likely. Chance of a thunderstorm.
Wednesday, September 16th, 2026
Overnight Temperature: 68°F
A mix of clear and cloudy skies with a chance of showers.
Morning Temperature: 64°F
A mix of sun and cloud. Windy at times.
Afternoon Temperature: 65°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 52°F
Clear.
Thursday, September 17th, 2026
Overnight Temperature: 46°F
Clear.
Morning Temperature: 55°F
Sunny.
Afternoon Temperature: 72°F
Mostly sunny.
Evening Temperature: 66°F
A mix of cloudy and clear skies. Windy at times.





 

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This WeatherCity Weather Forecast for Sullivan, 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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