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 84.
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
- Jul 16 to Jul 17, 2026
- Latest sync
- Jul 10, 2026 9:15 PM EDT
- Forecast office
- BGM
- Source
- NOAA / NWS
Daily Outlook
This Week in Sullivan County
Thursday looks like the warmest upcoming period in Sullivan County at 84 degrees F.
Thursday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Thursday at about 3 to 9 mph NW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Jul 10, 2026 9:15 PM EDT
- Coverage
- 2 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
Partly cloudy, with a low around 60.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Mostly Sunny
|
84°F |
3 to 9 mph
NW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
60°F |
2 to 7 mph
NW
|
|
Friday
Jul 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
83°F |
2 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.
