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May 16th, 2026 :: 12:47 pm EDT   

Local Weather Report for
Sullivan
New Hampshire, United States

 Sullivan Weather Forecast Summary  
 
Today
May 16th
Sunday
May 17th
Monday
May 18th
Tuesday
May 19th
Wednesday
May 20th
Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mix of Sun and Cloud
72°F
75°F
53°F
77°F
52°F
85°F
59°F
82°F
66°F
 
 Sullivan Detailed Weather Forecast  
 
Saturday, May 16th, 2026
Afternoon Temperature: 71°F
Mostly sunny. Windy at times.
Evening Temperature: 62°F
Clear with cloudy periods. Windy at times.
Sunday, May 17th, 2026
Overnight Temperature: 56°F
Clear with cloudy periods with a slight chance of showers.
Morning Temperature: 66°F
Sunny. Windy at times.
Afternoon Temperature: 75°F
Sunny. Windy at times.
Evening Temperature: 56°F
Mostly clear.
Monday, May 18th, 2026
Overnight Temperature: 52°F
A mix of cloudy and clear skies.
Morning Temperature: 57°F
Cloudy with sunny periods with a chance of showers.
Afternoon Temperature: 75°F
Sunny with a slight chance of showers.
Evening Temperature: 63°F
Clear.
Tuesday, May 19th, 2026
Overnight Temperature: 59°F
Mostly clear.
Morning Temperature: 76°F
Mostly sunny. Windy at times.
Afternoon Temperature: 85°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 71°F
Mostly clear. Slight chance of a thunderstorm. Windy at times.
Wednesday, May 20th, 2026
Overnight Temperature: 68°F
A mix of clear and cloudy skies.
Morning Temperature: 77°F
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 80°F
Sunny with cloudy periods with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 67°F
A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Thursday, May 21st, 2026
Overnight Temperature: 58°F
Mostly cloudy.
Morning Temperature: 55°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 62°F
Mostly cloudy.
Evening Temperature: 49°F
A mix of clear and cloudy skies.
Friday, May 22nd, 2026
Overnight Temperature: 46°F
Mostly cloudy.
Morning Temperature: 49°F
A mix of cloud and sun.
Afternoon Temperature: 53°F
Cloudy.
Evening Temperature: 44°F
Clear.
Saturday, May 23rd, 2026
Overnight Temperature: 39°F
Clear.
Morning Temperature: 58°F
Sunny.
Afternoon Temperature: 67°F
A mix of cloud and sun.
Evening Temperature: 52°F
Clear.
Sunday, May 24th, 2026
Overnight Temperature: 44°F
Mostly clear.
Morning Temperature: 61°F
Mostly sunny. Windy at times.
Afternoon Temperature: 68°F
Mostly sunny. Windy at times.
Evening Temperature: 52°F
Mostly clear.





 

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11:52 AM  66°F
 

 
This WeatherCity Weather Forecast for Sullivan, New Hampshire, 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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