Sullivan, NY Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Sullivan, NY in one place.
A slight chance of rain showers before 1pm. Mostly cloudy, with a high near 62. West wind around 13 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Sullivan, NY 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: Oct 13, 2026 5:47 PM EDT.
The active forecast window currently covers Oct 14 to Oct 19, 2026 for Sullivan, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 14 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 5:47 PM EDT
- Forecast office
- BGM
- Source
- NOAA / NWS
Daily Outlook
This Week in Sullivan
Wednesday looks like the warmest upcoming period in Sullivan at 62 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Friday at about 16 to 23 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 5:47 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- BGM
- Radar station
- KTYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 45. Northwest wind 7 to 12 mph.
Partly sunny, with a high near 58. Northeast wind 2 to 7 mph.
Rain showers after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 90%.
Rain showers before 8am, then showers and thunderstorms. Cloudy, with a high near 62. Chance of precipitation is 100%.
Rain showers before 5am, then rain and snow showers likely. Cloudy, with a low around 34. Chance of precipitation is 100%.
Rain and snow showers likely before 2pm. Partly sunny, with a high near 42. Chance of precipitation is 60%.
Partly cloudy, with a low around 33.
Sunny, with a high near 56.
Mostly clear, with a low around 40.
Mostly sunny, with a high near 62.
Mostly cloudy, with a low around 45.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Oct 14
|
Slight Chance Rain Showers
|
62°F |
13 mph
W
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
45°F |
7 to 12 mph
NW
|
|
Thursday
Oct 15
|
Partly Sunny
|
58°F |
2 to 7 mph
NE
|
|
Thursday Night
Oct 15
|
Rain Showers
|
49°F |
2 to 22 mph
SE
|
|
Friday
Oct 16
|
Showers And Thunderstorms
|
62°F |
16 to 23 mph
SW
|
|
Friday Night
Oct 16
|
Rain Showers then Rain And Snow Showers Likely
|
34°F |
17 to 22 mph
NW
|
|
Saturday
Oct 17
|
Rain And Snow Showers Likely
|
42°F |
21 mph
NW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
33°F |
5 to 16 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
56°F |
5 to 8 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
40°F |
5 to 9 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
62°F |
9 mph
S
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
45°F |
5 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sullivan.