Allyn School, SD 14 Day Weather
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Allyn School, SD Weather Forecast


Allyn School, SD Weather Forecast Dated: 451 AM Sat Oct 10 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Saturday, October 10, 2026
Mid-Morning
67°F 20°C
Overcast
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
82°F 28°C
Sunny
Very hot with temperatures reaching 92°F 33°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds easing from SSW 13 mph 21 km/h to S 5 mph 8 km/h.
Sunday, October 11, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
63°F 17°C
Overcast
Comfortable with temperatures reaching 69°F 21°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the N to the NNE at 12 mph 20 km/h.
Monday, October 12, 2026
Mid-Morning
49°F 9°C
Scattered Showers
Mid-Afternoon
59°F 15°C
Overcast
Early-Evening
57°F 14°C
Sunny
Comfortable at 59°F 15°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds moving from the NE to the NNE at 6 mph 9 km/h.
Tuesday, October 13, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
57°F 14°C
Sunny
Cool with a high near 59°F 15°C, sunny throughout the day, with lower humidity and steady pressure.
Wednesday, October 14, 2026
Mid-Morning
47°F 8°C
Sunny
Mid-Afternoon
64°F 18°C
Light Showers
Early-Evening
58°F 14°C
Drizzle
Refreshing around 64°F 18°C, clouds and showers taking over for the afternoon and evening, with steady humidity and barometric pressure falling. Winds swinging from the ESE to the SE at 16 mph 26 km/h. Gusts up to 28 mph 45 km/h.
Thursday, October 15, 2026
Mid-Morning
55°F 13°C
Partly Cloudy
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
58°F 15°C
Sunny
Mildly cool near 62°F 17°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure rising. Winds blowing from the NW at 26 mph 42 km/h. Gusts up to 34 mph 55 km/h.
Friday, October 16, 2026
Mid-Morning
41°F 5°C
Overcast
Mid-Afternoon
44°F 7°C
Scattered Showers
Early-Evening
39°F 4°C
Scattered Showers
Nippy around 44°F 7°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds turning from the WNW to the NW at 28 mph 45 km/h. Gusts up to 41 mph 65 km/h.
Saturday, October 17, 2026
Mid-Morning
31°F -1°C
Sunny
Mid-Afternoon
40°F 5°C
Sunny
Early-Evening
37°F 3°C
Sunny
Biting cold near 40°F 5°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds easing from NNW 15 mph 24 km/h to SE 6 mph 10 km/h.
Sunday, October 18, 2026
Mid-Morning
36°F 2°C
Sunny
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
55°F 13°C
Sunny
Refreshing around 59°F 15°C, sunny through the afternoon, turning overcast this evening, with steady humidity and barometric pressure falling. Winds blowing from the S at 22 mph 35 km/h. Gusts up to 31 mph 49 km/h.
Monday, October 19, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
68°F 20°C
Partly Cloudy
Early-Evening
60°F 15°C
Partly Cloudy
Mild with a high of 68°F 20°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.
Tuesday, October 20, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
67°F 19°C
Cloudy
Pleasant near 73°F 23°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds swinging from the SE to the SSE at 10 mph 17 km/h.
Wednesday, October 21, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
73°F 23°C
Partly Cloudy
Balmy with temperatures reaching 82°F 28°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and barometric pressure falling. Winds out of the S at 16 mph 25 km/h. Gusts up to 31 mph 49 km/h.
Thursday, October 22, 2026
Mid-Morning
56°F 13°C
Scattered Showers
Mid-Afternoon
62°F 17°C
Partly Cloudy
Early-Evening
56°F 13°C
Sunny
Refreshing around 62°F 17°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds tapering down from NW 15 mph 25 km/h to SSW 7 mph 11 km/h.
Friday, October 23, 2026
Mid-Morning
53°F 12°C
Partly Cloudy
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
63°F 17°C
Overcast
Mild temperatures up to 72°F 22°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds increasing from the SW at 6 mph 9 km/h to NW at 18 mph 29 km/h. Gusts up to 34 mph 54 km/h.
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