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Clayton SD Weather - Clear - 69°F
Clear
69°F
Updated 1:20 am
Feels Like 56°F
Humidity 60%
Wind SSE 17 mph
Barometer  29.82 in
Dew Point 55°F
Clayton SD Weather - Clear - 21°C
Clear
21°C
Updated 1:20 am
Feels Like 13°C
Humidity 60%
Wind SSE 27 km/h
Barometer  101 kPa
Dew Point 13°C
Clayton, SD Weather and Current Conditionsclayton sd weather forecast

Clayton, SD Weather Forecast

Clayton South Dakota WeatherClayton, South Dakota Weather Weather Forecast
14 day API weather forecast for Clayton, South Dakota. Note: The 7-day weather forecast for Clayton, SD is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Clayton, SD Weather Forecast Dated: 120 AM Fri Sep 11 2026
Expect a mild stretch with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Friday, September 11, 2026

Mid-Morning
Clayton Weather - 2026-09-11 - Morning - Overcast
70°F 21°C
Overcast
Mid-Afternoon
Clayton Weather - 2026-09-11 - Afternoon - Overcast
90°F 32°C
Overcast
Early-Evening
Clayton Weather - 2026-09-11 - Evening - Overcast
87°F 31°C
Overcast
Very hot with temperatures reaching 90°F 32°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the S to the WNW at 12 mph 19 km/h. Gusts up to 26 mph 42 km/h.

Saturday, September 12, 2026

Mid-Morning
Clayton Weather - 2026-09-12 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Clayton Weather - 2026-09-12 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
Clayton Weather - 2026-09-12 - Evening - Scattered Showers
69°F 21°C
Scattered Showers
Comfortable with temperatures reaching 76°F 24°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the N to the NNE at 11 mph 18 km/h.

Sunday, September 13, 2026

Mid-Morning
Clayton Weather - 2026-09-13 - Morning - Overcast
57°F 14°C
Overcast
Mid-Afternoon
Clayton Weather - 2026-09-13 - Afternoon - Light Showers
65°F 19°C
Light Showers
Early-Evening
Clayton Weather - 2026-09-13 - Evening - Light Showers
59°F 15°C
Light Showers
Comfortable at 65°F 19°C, dry early, with showers continuing through afternoon and evening, with increasing humidity and steady pressure. Winds moving from the ENE to the ESE at 12 mph 20 km/h. Gusts up to 28 mph 46 km/h.

Monday, September 14, 2026

Mid-Morning
Clayton Weather - 2026-09-14 - Morning - Scattered Showers
66°F 19°C
Scattered Showers
Mid-Afternoon
Clayton Weather - 2026-09-14 - Afternoon - Scattered Showers
67°F 19°C
Scattered Showers
Early-Evening
Clayton Weather - 2026-09-14 - Evening - Overcast
72°F 22°C
Overcast
Cool with a high near 67°F 19°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds swinging from the WNW to the N at 10 mph 17 km/h.

Tuesday, September 15, 2026

Mid-Morning
Clayton Weather - 2026-09-15 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Clayton Weather - 2026-09-15 - Afternoon - Sunny
67°F 20°C
Sunny
Early-Evening
Clayton Weather - 2026-09-15 - Evening - Sunny
70°F 21°C
Sunny
Refreshing around 67°F 20°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds shifting from the NNW to the E at 5 mph 8 km/h.

Wednesday, September 16, 2026

Mid-Morning
Clayton Weather - 2026-09-16 - Morning - Overcast
57°F 14°C
Overcast
Mid-Afternoon
Clayton Weather - 2026-09-16 - Afternoon - Overcast
59°F 15°C
Overcast
Early-Evening
Clayton Weather - 2026-09-16 - Evening - Overcast
55°F 13°C
Overcast
Mildly cool near 59°F 15°C, overcast throughout the day, with increasing humidity and steady pressure. Winds SE at 10 mph 17 km/h.

Thursday, September 17, 2026

Mid-Morning
Clayton Weather - 2026-09-17 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Clayton Weather - 2026-09-17 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Clayton Weather - 2026-09-17 - Evening - Sunny
73°F 23°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the S to the SSE at 10 mph 15 km/h.

Friday, September 18, 2026

Mid-Morning
Clayton Weather - 2026-09-18 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Clayton Weather - 2026-09-18 - Afternoon - Sunny
75°F 24°C
Sunny
Early-Evening
Clayton Weather - 2026-09-18 - Evening - Sunny
75°F 24°C
Sunny
Enjoyable around 75°F 24°C, sunny throughout the day, with lower humidity and steady pressure. Winds blowing from the SSW at 7 mph 12 km/h.

Saturday, September 19, 2026

Mid-Morning
Clayton Weather - 2026-09-19 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Clayton Weather - 2026-09-19 - Afternoon - Sunny
78°F 26°C
Sunny
Early-Evening
Clayton Weather - 2026-09-19 - Evening - Sunny
77°F 26°C
Sunny
Mild temperatures up to 78°F 26°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the SSE to the SE at 8 mph 13 km/h.

Sunday, September 20, 2026

Mid-Morning
Clayton Weather - 2026-09-20 - Morning - Sunny
65°F 19°C
Sunny
Mid-Afternoon
Clayton Weather - 2026-09-20 - Afternoon - Overcast
77°F 25°C
Overcast
Early-Evening
Clayton Weather - 2026-09-20 - Evening - Overcast
77°F 25°C
Overcast
Mild with a high of 77°F 25°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds shifting from the S to the SSE at 11 mph 17 km/h.

Monday, September 21, 2026

Mid-Morning
Clayton Weather - 2026-09-21 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Clayton Weather - 2026-09-21 - Afternoon - Sunny
78°F 26°C
Sunny
Early-Evening
Clayton Weather - 2026-09-21 - Evening - Sunny
79°F 26°C
Sunny
Pleasant near 78°F 26°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the SSE to the WNW at 10 mph 16 km/h.

Tuesday, September 22, 2026

Mid-Morning
Clayton Weather - 2026-09-22 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Clayton Weather - 2026-09-22 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Clayton Weather - 2026-09-22 - Evening - Sunny
69°F 21°C
Sunny
Comfortable with temperatures reaching 71°F 22°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds WNW at 22 mph 35 km/h. Gusts up to 25 mph 40 km/h.

Wednesday, September 23, 2026

Mid-Morning
Clayton Weather - 2026-09-23 - Morning - Sunny
49°F 9°C
Sunny
Mid-Afternoon
Clayton Weather - 2026-09-23 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
Clayton Weather - 2026-09-23 - Evening - Sunny
64°F 18°C
Sunny
Refreshing around 65°F 18°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Thursday, September 24, 2026

Mid-Morning
Clayton Weather - 2026-09-24 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Clayton Weather - 2026-09-24 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Clayton Weather - 2026-09-24 - Evening - Sunny
68°F 20°C
Sunny
Mild temperatures up to 71°F 22°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds out of the SSE at 17 mph 27 km/h. Gusts up to 29 mph 47 km/h.

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Weather by the Numbers

Fri, 11th
Clayton SD Weather - Friday, Sep 11, 2026 - Overcast
Hi: 94°F 34°C
Lo: 63°F 17°C
Sunrise 07:05 AM
Sunset 07:47 PM
Wind S 24 mph39 km/h
Dew Point 59°F15°C
uv Index 5
Barometric Pressure 29.62 in1003 mb
POP 11% *
Humidity 45%
Sat, 12th
Clayton SD Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 76°F 24°C
Lo: 59°F 15°C
Sunrise 07:06 AM
Sunset 07:46 PM
Wind N 11 mph17 km/h
Dew Point 40°F4°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 10% *
Humidity 38%
Sun, 13th
Clayton SD Weather - Sunday, Sep 13, 2026 - Cloudy
Hi: 69°F 20°C
Lo: 57°F 14°C
Sunrise 07:07 AM
Sunset 07:44 PM
Wind ESE 15 mph23 km/h
Dew Point 39°F4°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 7% *
Humidity 35%
Mon, 14th
Clayton SD Weather - Monday, Sep 14, 2026 - Patchy Rain Nearby
Hi: 75°F 24°C
Lo: 56°F 14°C
Sunrise 07:09 AM
Sunset 07:42 PM
Wind WSW 6 mph9 km/h
Dew Point 63°F17°C
uv Index 2
Barometric Pressure 29.74 in1007 mb
POP 33% *
Humidity 93%
Tue, 15th
Clayton SD Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 71°F 22°C
Lo: 53°F 12°C
Sunrise 07:10 AM
Sunset 07:40 PM
Wind NNW 11 mph18 km/h
Dew Point 40°F5°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 2% *
Humidity 45%
Wed, 16th
Clayton SD Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 63°F 17°C
Lo: 53°F 12°C
Sunrise 07:11 AM
Sunset 07:38 PM
Wind SE 12 mph19 km/h
Dew Point 41°F5°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 12% *
Humidity 51%
Thu, 17th
Clayton SD Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 75°F 24°C
Lo: 53°F 12°C
Sunrise 07:12 AM
Sunset 07:37 PM
Wind S 11 mph18 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 30.3 in1026 mb
POP 1% *
Humidity 47%
Fri, 18th
Clayton SD Weather - Friday, Sep 18, 2026 - Sunny
Hi: 77°F 25°C
Lo: 60°F 16°C
Sunrise 07:13 AM
Sunset 07:35 PM
Wind SSW 10 mph15 km/h
Dew Point 57°F14°C
uv Index 6
Barometric Pressure 30.15 in1021 mb
POP 4% *
Humidity 65%
Sat, 19th
Clayton SD Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 80°F 27°C
Lo: 65°F 18°C
Sunrise 07:14 AM
Sunset 07:33 PM
Wind SSE 6 mph10 km/h
Dew Point 56°F13°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 3% *
Humidity 56%
Sun, 20th
Clayton SD Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 79°F 26°C
Lo: 64°F 18°C
Sunrise 07:15 AM
Sunset 07:31 PM
Wind S 16 mph25 km/h
Dew Point 53°F12°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 7% *
Humidity 52%
Mon, 21st
Clayton SD Weather - Monday, Sep 21, 2026 - Sunny
Hi: 81°F 27°C
Lo: 62°F 17°C
Sunrise 07:16 AM
Sunset 07:29 PM
Wind S 12 mph19 km/h
Dew Point 51°F11°C
uv Index 6
Barometric Pressure 29.8 in1009 mb
POP 2% *
Humidity 49%
Tue, 22nd
Clayton SD Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 72°F 22°C
Lo: 58°F 14°C
Sunrise 07:18 AM
Sunset 07:27 PM
Wind WNW 20 mph32 km/h
Dew Point 30°F-1°C
uv Index 5
Barometric Pressure 29.83 in1010 mb
POP 0% *
Humidity 25%
Wed, 23rd
Clayton SD Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 67°F 19°C
Lo: 46°F 8°C
Sunrise 07:19 AM
Sunset 07:26 PM
Wind NE 5 mph8 km/h
Dew Point 37°F3°C
uv Index 4
Barometric Pressure 30.3 in1026 mb
POP 2% *
Humidity 47%
Thu, 24th
Clayton SD Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 73°F 23°C
Lo: 50°F 10°C
Sunrise 07:20 AM
Sunset 07:24 PM
Wind SSE 16 mph26 km/h
Dew Point 40°F4°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 42%
* POP = Probability of Precipitation. Data for 12:00 PM.