Summit, SD 14 Day Weather - 57266 WeatherWorld.com
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Summit, SD Weather Forecast


Summit, SD Weather Forecast Dated: 426 AM Mon Sep 21 2026
Expect a cool pattern 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.
Monday, September 21, 2026
Mid-Morning
45°F 7°C
Drizzle
Mid-Afternoon
47°F 8°C
Overcast
Early-Evening
47°F 8°C
Scattered Showers
Brisk around 47°F 8°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the E to the ESE at 9 mph 14 km/h. Gusts up to 20 mph 32 km/h.
Tuesday, September 22, 2026
Mid-Morning
46°F 8°C
Light Fog
Mid-Afternoon
57°F 14°C
Cloudy
Early-Evening
57°F 14°C
Sunny
Cool and brisk at 57°F 14°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds blowing from the SE at 14 mph 23 km/h.
Wednesday, September 23, 2026
Mid-Morning
50°F 10°C
Overcast
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
60°F 16°C
Overcast
Comfortable at 62°F 17°C, overcast throughout the day, with lower humidity and steady pressure. Winds moving from the S to the SSE at 13 mph 21 km/h. Gusts up to 27 mph 43 km/h.
Thursday, September 24, 2026
Mid-Morning
52°F 11°C
Scattered Showers
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
57°F 14°C
Overcast
Cool with a high near 64°F 18°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the S to the SSE at 11 mph 17 km/h.
Friday, September 25, 2026
Mid-Morning
51°F 11°C
Light Showers
Mid-Afternoon
54°F 12°C
Scattered Showers
Early-Evening
49°F 10°C
Scattered Showers
Brisk around 54°F 12°C, scattered downpours possible, with steady humidity and steady pressure. Winds blowing from the SE at 14 mph 22 km/h. Gusts up to 22 mph 36 km/h.
Saturday, September 26, 2026
Mid-Morning
50°F 10°C
Scattered Showers
Mid-Afternoon
54°F 12°C
Scattered Showers
Early-Evening
53°F 12°C
Scattered Showers
Cool and brisk at 54°F 12°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds turning from the SE to the SSE at 14 mph 22 km/h. Gusts up to 25 mph 40 km/h.
Sunday, September 27, 2026
Mid-Morning
53°F 11°C
Scattered Showers
Mid-Afternoon
60°F 15°C
Scattered Showers
Early-Evening
62°F 17°C
Overcast
Comfortable at 60°F 15°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds out of the S at 12 mph 20 km/h. Gusts up to 24 mph 38 km/h.
Monday, September 28, 2026
Mid-Morning
53°F 11°C
Light Showers
Mid-Afternoon
58°F 15°C
Overcast
Early-Evening
60°F 16°C
Overcast
Cool with a high near 58°F 15°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds moving from the N to the S at 4 mph 7 km/h.
Tuesday, September 29, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
64°F 18°C
Sunny
Refreshing around 66°F 19°C, sunny throughout the day, with steady humidity and steady pressure.
Wednesday, September 30, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
64°F 18°C
Sunny
Mildly cool near 65°F 18°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the SSW to the SSE at 15 mph 24 km/h. Gusts up to 31 mph 49 km/h.
Thursday, October 1, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
65°F 18°C
Overcast
Comfortable at 65°F 18°C, overcast throughout the day, with lower humidity and steady pressure. Winds out of the S at 18 mph 29 km/h. Gusts up to 26 mph 41 km/h.
Friday, October 2, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
67°F 20°C
Sunny
Comfortable with temperatures reaching 68°F 20°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds blowing from the SSW at 10 mph 17 km/h.
Saturday, October 3, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
70°F 21°C
Sunny
Enjoyable around 72°F 22°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the SSW to the S at 16 mph 26 km/h. Gusts up to 31 mph 51 km/h.
Sunday, October 4, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
71°F 22°C
Partly Cloudy
Early-Evening
68°F 21°C
Sunny
Mild temperatures up to 71°F 22°C, partly cloudy through the afternoon, turning sunny this evening, with lower humidity and barometric pressure falling. Winds out of the S at 26 mph 42 km/h. Gusts up to 44 mph 71 km/h.
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