Sullivan, NH Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sullivan, NH in one place.
Mostly sunny, with a high near 50. Northwest wind 0 to 10 mph.
Local Weather Overview
This forecast page for Sullivan, NH is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 9, 2026 10:24 PM EST.
The active forecast window currently covers Nov 11 to Nov 16, 2026 for Sullivan, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 11 to Nov 16, 2026
- Latest sync
- Nov 9, 2026 10:24 PM EST
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sullivan
Veterans Day looks like the warmest upcoming period in Sullivan at 50 degrees F.
Friday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph NW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 9, 2026 10:24 PM EST
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KBOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers after 4am. Partly cloudy, with a low around 30. North wind around 0 mph.
A slight chance of snow showers before 7am, then a slight chance of rain showers. Partly sunny, with a high near 49.
A slight chance of rain showers before 7pm, then a chance of rain between 7pm and 1am, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
A chance of snow before 1pm, then a slight chance of rain between 1pm and 4pm, then a slight chance of snow between 4pm and 5pm. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
A slight chance of snow after 7pm. Mostly cloudy, with a low around 27.
A slight chance of snow before 7am. Partly sunny, with a high near 43.
Mostly cloudy, with a low around 27.
Mostly sunny, with a high near 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
50°F |
0 to 10 mph
NW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy then Slight Chance Rain Showers
|
30°F |
0 mph
|
|
Thursday
Nov 12
|
Slight Chance Snow Showers then Slight Chance Rain Showers
|
49°F |
0 to 5 mph
E
|
|
Thursday Night
Nov 12
|
Chance Light Rain then Chance Rain And Snow
|
30°F |
5 to 10 mph
NE
|
|
Friday
Nov 13
|
Chance Rain And Snow
|
38°F |
10 mph
N
|
|
Friday Night
Nov 13
|
Chance Rain And Snow
|
27°F |
5 to 10 mph
N
|
|
Saturday
Nov 14
|
Chance Light Snow
|
40°F |
10 mph
NW
|
|
Saturday Night
Nov 14
|
Slight Chance Light Snow
|
27°F |
10 mph
NW
|
|
Sunday
Nov 15
|
Slight Chance Light Snow then Partly Sunny
|
43°F |
10 to 15 mph
NW
|
|
Sunday Night
Nov 15
|
Mostly Cloudy
|
27°F |
5 mph
NW
|
|
Monday
Nov 16
|
Mostly Sunny
|
47°F |
5 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sullivan.