Sullivan, NH Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sullivan, NH in one place.
Sunny, with a high near 84. West wind around 5 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: Jun 8, 2026 9:54 PM EDT.
The active forecast window currently covers Jun 9 to Jun 15, 2026 for Sullivan, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 15, 2026
- Latest sync
- Jun 8, 2026 9:54 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sullivan
Thursday looks like the warmest upcoming period in Sullivan at 86 degrees F.
Sunday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Tuesday at about 5 mph W.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 9:54 PM EDT
- Coverage
- 7 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
Partly cloudy, with a low around 57. Southwest wind 0 to 5 mph.
Rain showers likely between 10am and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 82. Southwest wind around 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Southwest wind around 5 mph. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
A slight chance of rain showers between noon and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
A slight chance of rain showers before 5pm. Mostly sunny, with a high near 84.
Mostly clear, with a low around 59.
A slight chance of rain showers after 3pm. Mostly sunny, with a high near 83.
A chance of rain showers. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Sunny
|
84°F |
5 mph
W
|
|
Tuesday Night
Jun 9
|
Partly Cloudy
|
57°F |
0 to 5 mph
SW
|
|
Wednesday
Jun 10
|
Rain Showers Likely
|
82°F |
5 mph
SW
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms Likely
|
59°F |
5 mph
SW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely
|
86°F |
5 mph
W
|
|
Thursday Night
Jun 11
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
62°F |
0 to 5 mph
NW
|
|
Friday
Jun 12
|
Partly Sunny then Chance Showers And Thunderstorms
|
85°F |
0 to 5 mph
E
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
59°F |
0 to 5 mph
S
|
|
Saturday
Jun 13
|
Slight Chance Rain Showers
|
84°F |
5 mph
W
|
|
Saturday Night
Jun 13
|
Mostly Clear
|
59°F |
0 to 5 mph
SW
|
|
Sunday
Jun 14
|
Mostly Sunny then Slight Chance Rain Showers
|
83°F |
0 to 5 mph
W
|
|
Sunday Night
Jun 14
|
Chance Rain Showers
|
56°F |
0 to 5 mph
W
|
|
Monday
Jun 15
|
Chance Rain Showers
|
78°F |
0 to 5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sullivan.