Sullivan, NY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sullivan, NY in one place.
Mostly sunny, with a high near 49.
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: Apr 9, 2026 5:18 AM EDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Sullivan, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 5:18 AM EDT
- Forecast office
- BGM
- Source
- NOAA / NWS
Daily Outlook
This Week in Sullivan
Tuesday looks like the warmest upcoming period in Sullivan at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Sunday Night at about 12 to 17 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 5:18 AM EDT
- Coverage
- 5 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 clear, with a low around 33.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 61.
A chance of rain showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Mostly Sunny
|
49°F |
10 mph
NW
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
33°F |
2 to 7 mph
SW
|
|
Sunday
Apr 12
|
Partly Sunny then Slight Chance Rain Showers
|
61°F |
5 to 10 mph
S
|
|
Sunday Night
Apr 12
|
Chance Rain Showers
|
54°F |
12 to 17 mph
S
|
|
Monday
Apr 13
|
Chance Rain Showers
|
70°F |
12 to 17 mph
SW
|
|
Monday Night
Apr 13
|
Showers And Thunderstorms Likely
|
59°F |
7 to 12 mph
SW
|
|
Tuesday
Apr 14
|
Chance Rain Showers
|
77°F |
9 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
58°F |
8 mph
SW
|
|
Wednesday
Apr 15
|
Chance Rain Showers
|
72°F |
9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sullivan.
