Sullivan County, NY Weather Forecast
County weather hub
Mostly Cloudy then Chance Rain Showers
Compare major city weather across Sullivan County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers between midnight and 4am. Mostly cloudy, with a low around 57. West wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
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
- Apr 16 to Apr 23, 2026
- Latest sync
- Apr 16, 2026 11:41 PM 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 72 degrees F.
Monday Night is the coolest period ahead with temperatures near 23 degrees F.
The strongest winds are forecast for Sunday at about 9 to 14 mph W.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 11:41 PM EDT
- Coverage
- 7 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
A slight chance of rain showers between 1pm and 4pm. Mostly sunny, with a high near 72. Northwest wind around 7 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 51. Northeast wind 2 to 6 mph.
Partly sunny, with a high near 70. Southeast wind 5 to 10 mph.
Rain showers likely after 8pm. Mostly cloudy, with a low around 42. Southeast wind around 10 mph. Chance of precipitation is 70%.
Rain showers. Mostly cloudy, with a high near 52. Chance of precipitation is 80%.
Rain showers likely before 8pm, then a chance of rain and snow showers between 8pm and 2am. Partly cloudy, with a low around 27. Chance of precipitation is 60%.
A slight chance of snow showers after 2pm. Mostly sunny, with a high near 41.
A slight chance of snow showers before 8pm. Partly cloudy, with a low around 23.
Sunny, with a high near 52.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 61. Chance of precipitation is 30%.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 36.
Mostly sunny, with a high near 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Apr 16
|
Mostly Cloudy then Chance Rain Showers
|
57°F |
6 mph
W
|
|
Friday
Apr 17
|
Mostly Sunny then Slight Chance Rain Showers
|
72°F |
7 mph
NW
|
|
Friday Night
Apr 17
|
Partly Cloudy
|
51°F |
2 to 6 mph
NE
|
|
Saturday
Apr 18
|
Partly Sunny
|
70°F |
5 to 10 mph
SE
|
|
Saturday Night
Apr 18
|
Rain Showers Likely
|
42°F |
10 mph
SE
|
|
Sunday
Apr 19
|
Rain Showers
|
52°F |
9 to 14 mph
W
|
|
Sunday Night
Apr 19
|
Chance Rain And Snow Showers
|
27°F |
8 to 13 mph
NW
|
|
Monday
Apr 20
|
Mostly Sunny then Slight Chance Snow Showers
|
41°F |
13 mph
NW
|
|
Monday Night
Apr 20
|
Slight Chance Snow Showers then Partly Cloudy
|
23°F |
2 to 10 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
52°F |
2 to 8 mph
W
|
|
Tuesday Night
Apr 21
|
Chance Rain Showers
|
37°F |
7 mph
SW
|
|
Wednesday
Apr 22
|
Chance Rain Showers
|
61°F |
6 to 9 mph
W
|
|
Wednesday Night
Apr 22
|
Slight Chance Rain Showers then Partly Cloudy
|
36°F |
3 to 7 mph
NW
|
|
Thursday
Apr 23
|
Mostly Sunny
|
59°F |
3 to 8 mph
NW
|
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.
