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Deerfield, SD Weather Forecast
Deerfield, SD Weather Forecast Dated: 221 AM Wed Sep 09 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, September 9, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
64°F 18°C
Sunny
Pleasant near 75°F 24°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Thursday, September 10, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
72°F 22°C
Sunny
Balmy with temperatures reaching 85°F 29°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds out of the W at 11 mph 17 km/h.
Friday, September 11, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
61°F 16°C
Sunny
Enjoyable around 76°F 24°C, sunny throughout the day, with increasing humidity and barometric pressure rising. Winds switching from the W to the N at 14 mph 22 km/h. Gusts up to 22 mph 36 km/h.
Saturday, September 12, 2026
Mid-Morning
51°F 11°C
Cloudy
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
64°F 18°C
Sunny
Cool with a high near 66°F 19°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds SSE at 11 mph 18 km/h. Gusts up to 21 mph 33 km/h.
Sunday, September 13, 2026
Mid-Morning
57°F 14°C
Scattered Showers
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
54°F 12°C
Scattered Showers
Mild with a high of 68°F 20°C, scattered downpours possible, with increasing humidity and steady pressure. Winds swinging from the NNE to the E at 7 mph 10 km/h.
Monday, September 14, 2026
Mid-Morning
50°F 10°C
Scattered Showers
Mid-Afternoon
61°F 16°C
Scattered Showers
Early-Evening
54°F 12°C
Sunny
Mildly cool near 61°F 16°C, locally heavy downpours at times, with lower humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
71°F 22°C
Cloudy
Balmy with temperatures reaching 81°F 27°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds blowing from the S at 11 mph 18 km/h. Gusts up to 22 mph 35 km/h.
Wednesday, September 16, 2026
Mid-Morning
76°F 24°C
Nearby Thunderstorms
Mid-Afternoon
84°F 29°C
Cloudy
Early-Evening
74°F 24°C
Overcast
Quite warm around 84°F 29°C, locally heavy thunderstorms at times, with steady humidity and steady pressure. Winds turning from the W to the SW at 9 mph 14 km/h.
Thursday, September 17, 2026
Mid-Morning
72°F 22°C
Cloudy
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
57°F 14°C
Light Showers
Mild temperatures up to 69°F 21°C, dry most of the day, with showers developing late, with increasing humidity and barometric pressure rising. Winds switching from the NW to the NNE at 7 mph 11 km/h.
Friday, September 18, 2026
Mid-Morning
53°F 12°C
Fog
Mid-Afternoon
52°F 11°C
Light Showers
Early-Evening
48°F 9°C
Fog
Cool and brisk at 52°F 11°C, drier morning followed by scattered afternoon showers, with steady humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
53°F 12°C
Fog
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
59°F 15°C
Light Showers
Pleasant near 75°F 24°C, mainly dry until evening showers arrive, with steady humidity and barometric pressure falling. Winds blowing from the S at 10 mph 15 km/h.
Sunday, September 20, 2026
Mid-Morning
52°F 11°C
Light Showers
Mid-Afternoon
45°F 7°C
Scattered Showers
Early-Evening
42°F 6°C
Partly Cloudy
Crisp with a high near 45°F 7°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds swinging from the NNW to the WNW at 6 mph 10 km/h.
Monday, September 21, 2026
Mid-Morning
49°F 9°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
53°F 12°C
Sunny
Refreshing around 65°F 18°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds shifting from the SSE to the S at 5 mph 8 km/h.
Tuesday, September 22, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
69°F 20°C
Nearby Thunderstorms
Early-Evening
55°F 13°C
Scattered Showers
Mild temperatures up to 69°F 20°C, locally heavy thunderstorms at times, with increasing humidity and steady pressure. Winds turning from the S to the SW at 5 mph 8 km/h.
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