Sullivan County, NY Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Sullivan County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 63.
County Weather Overview
This county weather page brings together forecast coverage for Sullivan County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 4 of 4 mapped cities in Sullivan County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 15 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 7:21 AM EDT
- Forecast office
- BGM
- Source
- NOAA / NWS
Daily Outlook
This Week in Sullivan County
Friday looks like the warmest upcoming period in Sullivan County at 64 degrees F.
Saturday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Friday Night at about 16 to 20 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 7:21 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- BGM
- Radar station
- KENX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers after 8pm. Mostly cloudy, with a low around 44. Chance of precipitation is 80%.
Rain showers. Mostly cloudy, with a high near 64. Chance of precipitation is 90%.
Rain showers likely. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
A slight chance of rain showers before 8am, then a slight chance of rain and snow showers between 8am and 2pm. Mostly sunny, with a high near 44.
Partly cloudy, with a low around 28.
Sunny, with a high near 53.
Mostly clear, with a low around 30.
Mostly sunny, with a high near 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Mostly Sunny
|
63°F |
3 to 9 mph
N
|
|
Thursday Night
Oct 15
|
Rain Showers
|
44°F |
5 to 9 mph
SE
|
|
Friday
Oct 16
|
Rain Showers
|
64°F |
9 to 18 mph
SW
|
|
Friday Night
Oct 16
|
Rain Showers Likely
|
32°F |
16 to 20 mph
NW
|
|
Saturday
Oct 17
|
Slight Chance Rain And Snow Showers
|
44°F |
20 mph
NW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
28°F |
5 to 15 mph
NW
|
|
Sunday
Oct 18
|
Sunny
|
53°F |
5 to 8 mph
W
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
30°F |
1 to 5 mph
SW
|
|
Monday
Oct 19
|
Mostly Sunny
|
60°F |
1 to 7 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Sullivan County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Sullivan County.
Largest mapped city population in this region: 3,430.
