Castle Rock, SD 14 Day Weather - WeatherWorld.com
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Castle Rock, SD Weather Forecast


Castle Rock, SD Weather Forecast Dated: 102 AM Thu Sep 10 2026
Expect a mild stretch with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Thursday, September 10, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
83°F 28°C
Sunny
Very hot with temperatures reaching 93°F 34°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the WSW to the SE at 7 mph 11 km/h.
Friday, September 11, 2026
Mid-Morning
76°F 24°C
Overcast
Mid-Afternoon
85°F 30°C
Overcast
Early-Evening
71°F 21°C
Overcast
Balmy with temperatures reaching 85°F 30°C, overcast throughout the day, with increasing humidity and barometric pressure rising. Winds switching from the WNW to the N at 18 mph 29 km/h. Gusts up to 29 mph 46 km/h.
Saturday, September 12, 2026
Mid-Morning
58°F 14°C
Overcast
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
65°F 19°C
Cloudy
Enjoyable around 70°F 21°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds increasing from the ESE at 4 mph 7 km/h to E at 17 mph 28 km/h. Gusts up to 25 mph 41 km/h.
Sunday, September 13, 2026
Mid-Morning
54°F 12°C
Light Showers
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
61°F 16°C
Light Showers
Mild temperatures up to 68°F 20°C, rounds of showers morning and night, dry in between, with steady humidity and barometric pressure falling. Winds out of the ESE at 26 mph 42 km/h. Gusts up to 32 mph 51 km/h.
Monday, September 14, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
54°F 12°C
Sunny
Refreshing around 66°F 19°C, sunny throughout the day, with steady humidity and barometric pressure rising. Winds shifting from the WNW to the NW at 17 mph 28 km/h. Gusts up to 27 mph 44 km/h.
Tuesday, September 15, 2026
Mid-Morning
57°F 14°C
Partly Cloudy
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
65°F 18°C
Sunny
Pleasant near 70°F 21°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling. Winds turning from the WNW to the ESE at 12 mph 19 km/h. Gusts up to 21 mph 33 km/h.
Wednesday, September 16, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
76°F 24°C
Partly Cloudy
Early-Evening
66°F 19°C
Scattered Showers
Comfortable with temperatures reaching 76°F 24°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds picking up from SE at 11 mph 18 km/h to NW at 22 mph 35 km/h. Gusts up to 26 mph 41 km/h.
Thursday, September 17, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
62°F 17°C
Sunny
Enjoyable around 68°F 20°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds tapering down from NW 17 mph 27 km/h to ESE 5 mph 7 km/h.
Friday, September 18, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
71°F 22°C
Sunny
Warm temperatures up to 80°F 27°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the WNW to the E at 5 mph 8 km/h.
Saturday, September 19, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
76°F 24°C
Sunny
Very warm with a high of 87°F 31°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds out of the ESE at 9 mph 15 km/h.
Sunday, September 20, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
98°F 37°C
Partly Cloudy
Early-Evening
80°F 27°C
Overcast
Very hot with temperatures reaching 98°F 37°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds building from ESE at 5 mph 9 km/h to NNW at 15 mph 24 km/h. Gusts up to 23 mph 37 km/h.
Monday, September 21, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
90°F 32°C
Partly Cloudy
Early-Evening
82°F 28°C
Sunny
Hot and sweltering around 90°F 32°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds increasing from the SSE at 6 mph 9 km/h to SE at 18 mph 29 km/h. Gusts up to 28 mph 45 km/h.
Tuesday, September 22, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
72°F 22°C
Partly Cloudy
Quite warm around 81°F 27°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure rising. Winds moving from the NW to the NNE at 15 mph 24 km/h. Gusts up to 21 mph 33 km/h.
Wednesday, September 23, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
65°F 19°C
Sunny
Mild temperatures up to 70°F 21°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the N to the SE at 12 mph 19 km/h. Gusts up to 20 mph 32 km/h.
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