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Jeff, IN Weather Forecast
Jeff, IN Weather Forecast Dated: 432 AM Sun Sep 06 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Sunday, September 6, 2026
Mid-Morning
75°F 24°C
Scattered Showers
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
80°F 27°C
Overcast
Warm and summery near 85°F 30°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the NE to the NNE at 10 mph 15 km/h.
Monday, September 7, 2026
Mid-Morning
65°F 19°C
Overcast
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
84°F 29°C
Sunny
Balmy with temperatures reaching 86°F 30°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.
Tuesday, September 8, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
89°F 32°C
Overcast
Early-Evening
84°F 29°C
Overcast
Quite warm around 89°F 32°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the SSW to the SSE at 7 mph 12 km/h.
Wednesday, September 9, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
92°F 33°C
Sunny
Sizzling hot near 96°F 36°C with a heat index reaching 99°F 37°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the SSW to the S at 10 mph 15 km/h. Gusts up to 20 mph 31 km/h.
Thursday, September 10, 2026
Mid-Morning
71°F 21°C
Light Fog
Mid-Afternoon
89°F 31°C
Partly Cloudy
Early-Evening
78°F 26°C
Light Showers
Quite warm reaching 89°F 31°C, feeling like 92°F 34°C during peak afternoon, mainly dry until evening showers arrive, with lower humidity and steady pressure. Winds swinging from the SSW to the NNE at 9 mph 14 km/h.
Friday, September 11, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
75°F 24°C
Overcast
Pleasant near 77°F 25°C, overcast throughout the day, with lower humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
79°F 26°C
Sunny
Balmy with temperatures reaching 81°F 27°C, sunny throughout the day, with lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
89°F 32°C
Sunny
Hot and sweltering around 91°F 33°C (heat index 95°F 35°C), sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the SSE to the SSW at 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
71°F 21°C
Scattered Showers
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
74°F 23°C
Sunny
Mild temperatures up to 79°F 26°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds turning from the WSW to the NNE at 9 mph 15 km/h.
Tuesday, September 15, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
75°F 24°C
Sunny
Mild with a high of 77°F 25°C, sunny throughout the day, with lower humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
80°F 27°C
Cloudy
Warm and summery near 82°F 28°C, sunny through the afternoon, turning cloudy this evening, 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
Partly Cloudy
Very warm near 84°F 29°C, though humidity makes it feel like 87°F 31°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
72°F 22°C
Scattered Showers
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
80°F 27°C
Overcast
Warm and summery around 83°F 28°C (feels like 87°F 31°C), periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
74°F 24°C
Scattered Showers
Mid-Afternoon
86°F 30°C
Overcast
Early-Evening
82°F 28°C
Overcast
Quite warm reaching 86°F 30°C, feeling like 90°F 32°C during peak afternoon, scattered downpours possible, with lower humidity and steady pressure.
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