Sullivan County, PA Weather Forecast
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Showers And Thunderstorms
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A slight chance of rain showers before 8pm, then showers and thunderstorms. Mostly cloudy. Low around 38, with temperatures rising to around 48 overnight. Southwest wind 9 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters 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 0 of 0 mapped cities in Sullivan County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 18 to Apr 25, 2026
- Latest sync
- Apr 18, 2026 8:30 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Sullivan County
Friday looks like the warmest upcoming period in Sullivan County at 69 degrees F.
Monday Night is the coolest period ahead with temperatures near 23 degrees F.
The strongest winds are forecast for Tonight at about 9 to 16 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 18, 2026 8:30 PM EDT
- Coverage
- 8 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KBGM
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers before noon. Mostly cloudy, with a high near 46. Northwest wind around 12 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of rain and snow showers after 8pm. Mostly cloudy, with a low around 29. West wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
A chance of snow showers before 2pm. Partly sunny, with a high near 40. Northwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Widespread frost after 1am. Partly cloudy, with a low around 23. North wind 2 to 10 mph, with gusts as high as 22 mph.
Widespread frost before 7am. Sunny, with a high near 49.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
A chance of rain showers before 2pm. Partly sunny, with a high near 59. Chance of precipitation is 40%.
Partly cloudy, with a low around 37.
Sunny, with a high near 65.
Partly cloudy, with a low around 44.
Mostly sunny, with a high near 69.
A chance of rain showers after 8pm. Partly cloudy, with a low around 48. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Apr 18
|
Showers And Thunderstorms
|
38°F |
9 to 16 mph
SW
|
|
Sunday
Apr 19
|
Rain Showers then Mostly Cloudy
|
46°F |
12 mph
NW
|
|
Sunday Night
Apr 19
|
Chance Rain And Snow Showers
|
29°F |
6 to 10 mph
W
|
|
Monday
Apr 20
|
Chance Snow Showers
|
40°F |
10 mph
NW
|
|
Monday Night
Apr 20
|
Partly Cloudy then Widespread Frost
|
23°F |
2 to 10 mph
N
|
|
Tuesday
Apr 21
|
Widespread Frost then Sunny
|
49°F |
2 to 9 mph
SW
|
|
Tuesday Night
Apr 21
|
Chance Rain Showers
|
37°F |
9 mph
S
|
|
Wednesday
Apr 22
|
Chance Rain Showers
|
59°F |
8 mph
W
|
|
Wednesday Night
Apr 22
|
Partly Cloudy
|
37°F |
3 to 7 mph
N
|
|
Thursday
Apr 23
|
Sunny
|
65°F |
3 to 7 mph
NW
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
44°F |
6 mph
N
|
|
Friday
Apr 24
|
Mostly Sunny
|
69°F |
3 to 8 mph
NW
|
|
Friday Night
Apr 24
|
Chance Rain Showers
|
48°F |
7 mph
E
|
|
Saturday
Apr 25
|
Chance Rain Showers
|
63°F |
8 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sullivan County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Sullivan County.
