World > North America > United States > Indiana > Sullivan County  

Sullivan County, IN Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Sullivan County, IN Weather Forecast

Current Conditions

Settings
Sullivan County IN weather - Clear - 68°F
Clear
68°F
Updated 12:14 pm
Feels Like 64°F
Humidity 59%
Wind SE 5 mph
Barometer  30.3 in
Dew Point 53°F
Sullivan County IN weather - Clear - 20°C
Clear
20°C
Updated 12:14 pm
Feels Like 18°C
Humidity 59%
Wind SE 8 km/h
Barometer  102.6 kPa
Dew Point 12°C
WX Settings

Sullivan County Weather Forecast

REST OF TODAY TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT
Sullivan County, IN Weather - Rest Of Today Partly Cloudy Sullivan County, IN Weather - Tonight Partly Cloudy Sullivan County, IN Weather - Wednesday Mostly Sunny Sullivan County, IN Weather - Wednesday Night Clear Sullivan County, IN Weather - Thursday Sunny Sullivan County, IN Weather - Thursday Night Partly Cloudy Sullivan County, IN Weather - Friday Partly Cloudy Sullivan County, IN Weather - Friday Night Mostly Cloudy Sullivan County, IN Weather - Saturday Chance Of Showers Sullivan County, IN Weather - Saturday Night Chance Of Showers Sullivan County, IN Weather - Sunday Chance Of Showers Sullivan County, IN Weather - Sunday Night Chance Of Showers
Partly Cloudy Partly Cloudy Mostly Sunny Clear Sunny Partly Cloudy Partly Cloudy Mostly Cloudy Chance of Showers Chance of Showers Chance of Showers Chance of Showers
Hi: 75°FHi: 24°C
 Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
 Lo: 50°FLo: 10°C Hi: 80°FHi: 27°C
 Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
 Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
 Lo: 55°FLo: 13°C Hi: 71°FHi: 22°C
 Lo: 55°FLo: 13°C
POP: 30% POP: 50% POP: 40% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1204 PM EDT Tue Oct 27 2026 Sullivan County, IN Weather - WeatherWorld.com

Trending Headlines

Sullivan County Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Sullivan County Quick Facts

National Two Day Weather Forecast


E-mail the Sullivan County Weather Forecast

Voice your opinion or tell us about page issues...

Sullivan County Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 929 AM EDT Tue Oct 27 2026

Key Messages

  • Dry and unseasonably high temperatures to continue through Friday, afternoon highs in the 70s
  • Patchy fog may occur in low lying areas late night/early mornings
  • A wetter pattern may take shape for the Halloween weekend.

Discussion

(Today through Monday)... Issued at 233 AM EDT Tue Oct 27 2026

Surface analysis early this morning shows strong high pressure centered over Ontario. This large high was extending its influence south, across Indiana and through the Ohio Valley to the deep south....