Sullivan County, IN 14 Day Weather - WeatherWorld.com
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Sullivan County, IN Weather Forecast


Sullivan County, IN Weather Forecast Dated: 1030 PM Mon Oct 12 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and a stable pattern will dominate.
Monday, October 12, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
83°F 28°C
Cloudy
Very hot with temperatures reaching 91°F 33°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds out of the SW at 14 mph 22 km/h. Gusts up to 25 mph 40 km/h.
Tuesday, October 13, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
88°F 31°C
Sunny
Hot and sweltering around 93°F 34°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the SW to the S at 12 mph 19 km/h. Gusts up to 23 mph 37 km/h.
Wednesday, October 14, 2026
Mid-Morning
73°F 23°C
Scattered Showers
Mid-Afternoon
82°F 28°C
Light Showers
Early-Evening
73°F 23°C
Heavy Rain Showers
Very warm near 82°F 28°C, though humidity makes it feel like 86°F 30°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the SSW to the NW at 8 mph 13 km/h.
Thursday, October 15, 2026
Mid-Morning
70°F 21°C
Light Fog
Mid-Afternoon
87°F 30°C
Sunny
Early-Evening
83°F 29°C
Sunny
Warm and summery around 87°F 30°C (feels like 91°F 33°C), overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds picking up from ESE at 5 mph 8 km/h to SW at 13 mph 21 km/h. Gusts up to 28 mph 45 km/h.
Friday, October 16, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
60°F 15°C
Sunny
Early-Evening
54°F 12°C
Sunny
Refreshing around 60°F 15°C, sunny throughout the day, with lower humidity and barometric pressure rising. Winds shifting from the NW to the NNW at 16 mph 26 km/h. Gusts up to 25 mph 41 km/h.
Saturday, October 17, 2026
Mid-Morning
41°F 5°C
Sunny
Mid-Afternoon
57°F 14°C
Sunny
Early-Evening
51°F 11°C
Sunny
Cool and brisk at 57°F 14°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NNE to the E at 9 mph 14 km/h.
Sunday, October 18, 2026
Mid-Morning
42°F 6°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
59°F 15°C
Sunny
Comfortable at 64°F 18°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds switching from the SE to the S at 7 mph 12 km/h.
Monday, October 19, 2026
Mid-Morning
53°F 11°C
Overcast
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
67°F 20°C
Overcast
Enjoyable around 70°F 21°C, overcast throughout the day, with steady humidity and steady pressure. Winds moving from the S to the SE at 8 mph 13 km/h.
Tuesday, October 20, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
64°F 18°C
Partly Cloudy
Early-Evening
62°F 17°C
Sunny
Refreshing around 64°F 18°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds SSE at 10 mph 16 km/h.
Wednesday, October 21, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
68°F 20°C
Sunny
Mild with a high of 73°F 23°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds out of the SSE at 10 mph 16 km/h.
Thursday, October 22, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
80°F 26°C
Sunny
Early-Evening
75°F 24°C
Overcast
Warm and summery near 80°F 26°C, cloudy in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds blowing from the S at 16 mph 26 km/h. Gusts up to 30 mph 48 km/h.
Friday, October 23, 2026
Mid-Morning
69°F 20°C
Drizzle
Mid-Afternoon
65°F 18°C
Scattered Showers
Early-Evening
62°F 17°C
Overcast
Cool with a high near 65°F 18°C, locally heavy downpours at times, with increasing humidity and barometric pressure rising. Winds decreasing from SSW 21 mph 35 km/h to NW 7 mph 10 km/h.
Saturday, October 24, 2026
Mid-Morning
52°F 11°C
Overcast
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
60°F 16°C
Overcast
Refreshing around 65°F 18°C, overcast throughout the day, with lower humidity and steady pressure. Winds moving from the NNE to the N at 8 mph 12 km/h.
Sunday, October 25, 2026
Mid-Morning
52°F 11°C
Overcast
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
56°F 13°C
Cloudy
Mildly cool near 59°F 15°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds swinging from the NNE to the N at 9 mph 15 km/h.
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