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Lancaster, IN Weather Forecast
Lancaster, IN Weather Forecast Dated: 503 AM Thu Sep 10 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.
Thursday, September 10, 2026
Mid-Morning
74°F 23°C
Heavy Rain
Mid-Afternoon
78°F 25°C
Light Showers
Early-Evening
72°F 22°C
Light Showers
Pleasant near 78°F 25°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds turning from the SW to the NNE at 7 mph 12 km/h.
Friday, September 11, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
75°F 24°C
Overcast
Comfortable with temperatures reaching 78°F 26°C, overcast throughout the day, with lower humidity and steady pressure. Winds switching from the ENE to the ESE at 7 mph 11 km/h.
Saturday, September 12, 2026
Mid-Morning
69°F 21°C
Scattered Showers
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
81°F 27°C
Overcast
Quite warm around 87°F 31°C, locally heavy downpours at times, with lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
84°F 29°C
Scattered Showers
Early-Evening
82°F 28°C
Scattered Showers
Warm and summery around 84°F 29°C (feels like 89°F 31°C), periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds moving from the S to the E at 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
92°F 33°C
Overcast
Early-Evening
85°F 30°C
Sunny
Hot and sweltering around 92°F 33°C (heat index 95°F 35°C), sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the SSE to the S at 10 mph 16 km/h.
Tuesday, September 15, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
94°F 35°C
Partly Cloudy
Early-Evening
82°F 28°C
Scattered Showers
Very hot with a high of 94°F 35°C, feeling closer to 98°F 37°C in the humidity, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the SW to the WSW at 5 mph 8 km/h.
Wednesday, September 16, 2026
Mid-Morning
73°F 23°C
Scattered Showers
Mid-Afternoon
83°F 29°C
Cloudy
Early-Evening
80°F 27°C
Scattered Showers
Warm and summery around 83°F 29°C (feels like 88°F 31°C), periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
88°F 31°C
Sunny
Hot and sweltering around 92°F 33°C (heat index 96°F 36°C), cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds turning from the SSE to the SW at 9 mph 14 km/h.
Friday, September 18, 2026
Mid-Morning
55°F 13°C
Cloudy
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
60°F 16°C
Sunny
Refreshing around 67°F 20°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds out of the N at 12 mph 19 km/h.
Saturday, September 19, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
60°F 16°C
Sunny
Mildly cool near 66°F 19°C, sunny throughout the day, with lower humidity and steady pressure. Winds blowing from the N at 9 mph 15 km/h.
Sunday, September 20, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
64°F 18°C
Sunny
Pleasant near 70°F 21°C, sunny throughout the day, with lower humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
78°F 26°C
Partly Cloudy
Early-Evening
72°F 22°C
Sunny
Comfortable with temperatures reaching 78°F 26°C, cloudy in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds swinging from the SE to the S at 10 mph 15 km/h.
Tuesday, September 22, 2026
Mid-Morning
65°F 19°C
Partly Cloudy
Mid-Afternoon
80°F 27°C
Overcast
Early-Evening
68°F 20°C
Scattered Showers
Quite warm around 80°F 27°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds shifting from the SSW to the W at 9 mph 14 km/h.
Wednesday, September 23, 2026
Mid-Morning
59°F 15°C
Partly Cloudy
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
66°F 19°C
Overcast
Mild temperatures up to 71°F 22°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the NW to the WSW at 10 mph 15 km/h.
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