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New Harmony, OH Weather Forecast
New Harmony, OH Weather Forecast Dated: 252 AM Tue Sep 15 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.
Tuesday, September 15, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
85°F 30°C
Sunny
Warm and summery near 89°F 32°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
72°F 22°C
Scattered Showers
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
82°F 28°C
Sunny
Balmy with temperatures reaching 83°F 28°C, scattered downpours possible, with lower humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
74°F 23°C
Overcast
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
82°F 28°C
Cloudy
Quite warm around 84°F 29°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. A stray shower or storm late in the day.
Friday, September 18, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
85°F 30°C
Partly Cloudy
Early-Evening
80°F 27°C
Scattered Showers
Warm and summery around 85°F 30°C (feels like 88°F 31°C), periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds out of the NE at 5 mph 8 km/h.
Saturday, September 19, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
91°F 33°C
Cloudy
Early-Evening
85°F 30°C
Scattered Showers
Hot and sweltering around 91°F 33°C (heat index 94°F 34°C), scattered downpours possible, with lower humidity and steady pressure. Winds switching from the SE to the W at 9 mph 15 km/h.
Sunday, September 20, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
89°F 32°C
Overcast
Early-Evening
85°F 30°C
Sunny
Warm and summery near 89°F 32°C, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds WSW at 10 mph 16 km/h.
Monday, September 21, 2026
Mid-Morning
74°F 23°C
Scattered Showers
Mid-Afternoon
87°F 30°C
Scattered Showers
Early-Evening
82°F 28°C
Sunny
Balmy with temperatures reaching 87°F 30°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
80°F 27°C
Scattered Showers
Quite warm around 86°F 30°C, scattered downpours possible, with lower humidity and steady pressure. Winds swinging from the S to the W at 6 mph 10 km/h.
Wednesday, September 23, 2026
Mid-Morning
70°F 21°C
Scattered Showers
Mid-Afternoon
74°F 24°C
Light Showers
Early-Evening
66°F 19°C
Light Showers
Mild temperatures up to 74°F 24°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the NW to the WSW at 10 mph 15 km/h.
Thursday, September 24, 2026
Mid-Morning
63°F 17°C
Scattered Showers
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
71°F 22°C
Overcast
Mild with a high of 74°F 24°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling.
Friday, September 25, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
61°F 16°C
Overcast
Comfortable at 67°F 19°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds turning from the WSW to the NNE at 9 mph 14 km/h.
Saturday, September 26, 2026
Mid-Morning
53°F 12°C
Overcast
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
61°F 17°C
Overcast
Cool with a high near 66°F 19°C, overcast in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds out of the NNE at 11 mph 18 km/h.
Sunday, September 27, 2026
Mid-Morning
53°F 12°C
Overcast
Mid-Afternoon
66°F 19°C
Cloudy
Early-Evening
61°F 16°C
Cloudy
Refreshing around 66°F 19°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds blowing from the NE at 14 mph 22 km/h. Gusts up to 22 mph 36 km/h.
Monday, September 28, 2026
Mid-Morning
53°F 12°C
Overcast
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
66°F 19°C
Overcast
Mild temperatures up to 71°F 22°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the ENE to the NE at 9 mph 13 km/h.
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