10-day forecast for Boulder Canyon, SD: 56° to 91°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
91°
Best day: Monday, August 17
61° · 0.12 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1091° / 59°0
Morning67°feels 65°
Afternoon89°feels 85°
Evening78°feels 77°
Overnight62°feels 60°
91 °
Boulder Canyon, Monday, 10 August
Partly cloudy. High 91°, low 59°.
Pressure29.71 inHg
Wind17.9 mph SE
Humidity22%
Visibility6.2 mi
Dew point46°
Tue, 1186° / 59°0.06
Morning69°feels 68°
Afternoon85°feels 83°
Evening67°feels 67°
Overnight60°feels 59°
86 °
Boulder Canyon, Tuesday, 11 August
Light rain. High 86°, low 59°.
Pressure29.83 inHg
Wind14.3 mph E
Humidity38%
Visibility6.2 mi
Dew point54°
Wed, 1288° / 61°0.17
Morning73°feels 72°
Afternoon75°feels 75°
Evening65°feels 65°
Overnight62°feels 62°
88 °
Boulder Canyon, Wednesday, 12 August
Light rain. High 88°, low 61°.
Pressure29.80 inHg
Wind11.5 mph E
Humidity26%
Visibility6.2 mi
Dew point50°
Thu, 1361° / 57°0.12
Morning59°feels 59°
Afternoon61°feels 60°
Evening59°feels 59°
Overnight58°feels 58°
61 °
Boulder Canyon, Thursday, 13 August
Light rain. High 61°, low 57°.
Pressure29.97 inHg
Wind18 mph SE
Humidity82%
Visibility—
Dew point55°
Fri, 1469° / 56°0.1
Morning60°feels 59°
Afternoon68°feels 68°
Evening67°feels 67°
Overnight58°feels 58°
69 °
Boulder Canyon, Friday, 14 August
Light rain. High 69°, low 56°.
Pressure29.94 inHg
Wind10 mph SE
Humidity70%
Visibility—
Dew point56°
Sat, 1571° / 59°0.12
Morning62°feels 62°
Afternoon70°feels 69°
Evening69°feels 68°
Overnight61°feels 60°
71 °
Boulder Canyon, Saturday, 15 August
Light rain. High 71°, low 59°.
Pressure30.12 inHg
Wind10.4 mph NW
Humidity54%
Visibility—
Dew point51°
Sun, 1685° / 58°0.02
Morning65°feels 64°
Afternoon80°feels 80°
Evening78°feels 78°
Overnight68°feels 67°
85 °
Boulder Canyon, Sunday, 16 August
Light rain. High 85°, low 58°.
Pressure30.03 inHg
Wind19.7 mph SE
Humidity39%
Visibility—
Dew point50°
Mon, 1791° / 65°0
Morning72°feels 70°
Afternoon88°feels 85°
Evening85°feels 82°
Overnight72°feels 71°
91 °
Boulder Canyon, Monday, 17 August
Clear. High 91°, low 65°.
Pressure29.83 inHg
Wind13.1 mph NW
Humidity22%
Visibility—
Dew point42°
Tue, 1889° / 70°0
Morning76°feels 74°
Afternoon87°feels 84°
Evening84°feels 82°
Overnight73°feels 72°
89 °
Boulder Canyon, Tuesday, 18 August
Overcast. High 89°, low 70°.
Pressure29.83 inHg
Wind13.2 mph E
Humidity23%
Visibility—
Dew point43°
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 Boulder Canyon, 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.