10-day forecast for Clayton, SD: 60° to 97°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
97°
Best day: Tuesday, August 18
74° · 0.77 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1086° / 64°0.63
Morning67°feels 67°
Afternoon82°feels 81°
Evening86°feels 87°
Overnight70°feels 71°
86 °
Clayton, Monday, 10 August
Heavy rain. High 86°, low 64°.
Pressure29.85 inHg
Wind10.4 mph S
Humidity46%
Visibility6.2 mi
Dew point63°
Tue, 1196° / 66°0.01
Morning70°feels 71°
Afternoon93°feels 93°
Evening87°feels 88°
Overnight73°feels 74°
96 °
Clayton, Tuesday, 11 August
Light rain. High 96°, low 66°.
Pressure29.80 inHg
Wind10 mph NE
Humidity40%
Visibility6.2 mi
Dew point61°
Wed, 1290° / 63°0.1
Morning64°feels 64°
Afternoon89°feels 88°
Evening82°feels 82°
Overnight67°feels 68°
90 °
Clayton, Wednesday, 12 August
Rain. High 90°, low 63°.
Pressure29.88 inHg
Wind9.9 mph E
Humidity45%
Visibility6.2 mi
Dew point60°
Thu, 1374° / 61°0.77
Morning63°feels 63°
Afternoon61°feels 62°
Evening62°feels 62°
Overnight71°feels 70°
74 °
Clayton, Thursday, 13 August
Rain. High 74°, low 61°.
Pressure30.06 inHg
Wind14.7 mph E
Humidity95%
Visibility—
Dew point60°
Fri, 1467° / 60°0.01
Morning62°feels 62°
Afternoon65°feels 65°
Evening64°feels 65°
Overnight64°feels 64°
67 °
Clayton, Friday, 14 August
Light rain. High 67°, low 60°.
Pressure30.15 inHg
Wind11.4 mph SE
Humidity74%
Visibility—
Dew point56°
Sat, 1575° / 62°0
Morning64°feels 64°
Afternoon69°feels 69°
Evening72°feels 73°
Overnight69°feels 69°
75 °
Clayton, Saturday, 15 August
Light rain. High 75°, low 62°.
Pressure30.12 inHg
Wind10.4 mph SE
Humidity82%
Visibility—
Dew point62°
Sun, 1688° / 65°0
Morning71°feels 72°
Afternoon85°feels 86°
Evening81°feels 83°
Overnight70°feels 71°
88 °
Clayton, Sunday, 16 August
Overcast. High 88°, low 65°.
Pressure30.12 inHg
Wind9.1 mph SW
Humidity48%
Visibility—
Dew point61°
Mon, 1786° / 65°0.04
Morning71°feels 72°
Afternoon86°feels 89°
Evening83°feels 87°
Overnight73°feels 74°
86 °
Clayton, Monday, 17 August
Light rain. High 86°, low 65°.
Pressure29.97 inHg
Wind17.1 mph SE
Humidity55%
Visibility—
Dew point65°
Tue, 1897° / 69°0
Morning75°feels 78°
Afternoon92°feels 97°
Evening93°feels 98°
Overnight80°feels 82°
97 °
Clayton, Tuesday, 18 August
Mostly clear. High 97°, low 69°.
Pressure29.77 inHg
Wind15.5 mph S
Humidity49%
Visibility—
Dew point66°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Clayton, SD around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.