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Sullivan, IN Weather Forecast

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Sullivan, IN Weather Forecast

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Sullivan IN weather - Clear - 82°F
Clear
82°F
Updated 11:43 am
Feels Like 89°F
Humidity 61%
Wind NE 9 mph
Barometer  30.02 in
Dew Point 68°F
Sullivan IN weather - Clear - 28°C
Clear
28°C
Updated 11:43 am
Feels Like 32°C
Humidity 61%
Wind NE 14 km/h
Barometer  101.6 kPa
Dew Point 20°C
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Sullivan Weather Forecast

REST OF TODAY TONIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY SATURDAY
Sullivan, IN Weather - Rest Of Today Sunny Sullivan, IN Weather - Tonight Partly Cloudy Sullivan, IN Weather - Labor Day Mostly Sunny Sullivan, IN Weather - Monday Night Mostly Clear Sullivan, IN Weather - Tuesday Mostly Sunny Sullivan, IN Weather - Tuesday Night Mostly Clear Sullivan, IN Weather - Wednesday Mostly Clear Sullivan, IN Weather - Wednesday Night Chance Of T-Storm Sullivan, IN Weather - Thursday Chance Of T-Storm Sullivan, IN Weather - Thursday Night Chance Of Showers Sullivan, IN Weather - Friday Chance Of Showers Sullivan, IN Weather - Saturday Chance Of Showers
Sunny Partly Cloudy Mostly Sunny Mostly Clear Mostly Sunny Mostly Clear Mostly Clear Chance of T-Storm Chance of T-Storm Chance of Showers Chance of Showers Chance of Showers
Hi: 85°FHi: 29°C
 Lo: 61°FLo: 16°C Hi: 85°FHi: 29°C
 Lo: 65°FLo: 18°C Hi: 91°FHi: 33°C
 Hi: 99°FHi: 37°C
Lo: 70°FLo: 21°C		 Hi: 99°FHi: 37°C
Lo: 70°FLo: 21°C		 Hi: 81°FHi: 27°C
Lo: 69°FLo: 21°C		 Hi: 81°FHi: 27°C
Lo: 69°FLo: 21°C		 Lo: 61°FLo: 16°C Hi: 89°FHi: 32°C
Lo: 61°FLo: 16°C		 Hi: 89°FHi: 32°C
Lo: 61°FLo: 16°C
POP: 60% POP: 60% POP: 20% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 938 AM EDT Sun Sep 06 2026 Sullivan, IN Weather - WeatherWorld.com

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Issued: 925 AM EDT Sun Sep 6 2026

Key Messages

  • Nearer to normal temperatures and less humid over the next couple of days
  • Brief return of heat midweek with a chance of storms mid-late week

Discussion

(Today through Saturday)... Issued at 314 AM EDT Sun Sep 6 2026

Cooler and drier conditions will start off the new week behind the passage of a cold front and a Canadian airmass at the lower levels sagging into the Great Lakes region. Highs the next couple of days will stay in the 80s with lows dropping into the 60s and even 50s in some ...