Calvin School, SD 14 Day Weather
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Calvin School, SD Weather Forecast


Calvin School, SD Weather Forecast Dated: 415 PM Fri Sep 18 2026
Expect a cool pattern with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Friday, September 18, 2026
Mid-Morning
58°F 14°C
Overcast
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
66°F 19°C
Scattered Showers
Refreshing around 64°F 18°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds turning from the ESE to the ENE at 10 mph 16 km/h.
Saturday, September 19, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
57°F 14°C
Overcast
Mildly cool near 61°F 16°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the N to the NNE at 12 mph 19 km/h. Gusts up to 21 mph 33 km/h.
Sunday, September 20, 2026
Mid-Morning
54°F 12°C
Scattered Showers
Mid-Afternoon
57°F 14°C
Scattered Showers
Early-Evening
58°F 14°C
Scattered Showers
Chilly near 57°F 14°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the NE to the ENE at 8 mph 12 km/h. Gusts up to 23 mph 37 km/h.
Monday, September 21, 2026
Mid-Morning
53°F 11°C
Light Showers
Mid-Afternoon
51°F 10°C
Scattered Showers
Early-Evening
50°F 10°C
Light Showers
Crisp with a high near 51°F 10°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the E to the ENE at 9 mph 14 km/h.
Tuesday, September 22, 2026
Mid-Morning
52°F 11°C
Light Fog
Mid-Afternoon
60°F 16°C
Scattered Showers
Early-Evening
57°F 14°C
Overcast
Refreshing around 60°F 16°C, scattered downpours possible, with lower humidity and steady pressure. Winds shifting from the ESE to the SE at 8 mph 13 km/h.
Wednesday, September 23, 2026
Mid-Morning
52°F 11°C
Scattered Showers
Mid-Afternoon
65°F 19°C
Overcast
Early-Evening
66°F 19°C
Sunny
Mildly cool near 65°F 19°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds turning from the SSE to the SE at 10 mph 15 km/h.
Thursday, September 24, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
63°F 18°C
Overcast
Comfortable at 63°F 17°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the SE to the SSE at 7 mph 11 km/h.
Friday, September 25, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
67°F 19°C
Cloudy
Early-Evening
66°F 19°C
Scattered Showers
Cool with a high near 67°F 19°C, scattered downpours possible, with steady humidity and steady pressure. Winds blowing from the SSE at 10 mph 15 km/h.
Saturday, September 26, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
64°F 18°C
Scattered Showers
Early-Evening
63°F 17°C
Overcast
Refreshing around 64°F 18°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds S at 10 mph 15 km/h. Gusts up to 26 mph 42 km/h.
Sunday, September 27, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
77°F 25°C
Sunny
Mild with a high of 78°F 26°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds shifting from the S to the SSE at 14 mph 23 km/h. Gusts up to 28 mph 44 km/h.
Monday, September 28, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
79°F 26°C
Partly Cloudy
Warm and summery near 84°F 29°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds turning from the S to the NW at 8 mph 13 km/h.
Tuesday, September 29, 2026
Mid-Morning
62°F 16°C
Scattered Showers
Mid-Afternoon
71°F 21°C
Sunny
Early-Evening
66°F 19°C
Overcast
Comfortable with temperatures reaching 71°F 21°C, locally heavy downpours at times, with lower humidity and barometric pressure rising. Winds switching from the SE to the NNW at 11 mph 17 km/h. Gusts up to 22 mph 34 km/h.
Wednesday, September 30, 2026
Mid-Morning
49°F 10°C
Overcast
Mid-Afternoon
56°F 13°C
Overcast
Early-Evening
52°F 11°C
Overcast
Brisk around 56°F 13°C, overcast throughout the day, with lower humidity and steady pressure. Winds out of the N at 14 mph 23 km/h.
Thursday, October 1, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
53°F 12°C
Cloudy
Early-Evening
52°F 11°C
Cloudy
Cool and brisk at 53°F 12°C, cloudy through the afternoon, turning sunny this evening, with steady humidity and steady pressure. Winds swinging from the NNW to the SE at 9 mph 14 km/h.
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