10-day forecast for Harrison, SD: 24° to 88°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Saturday, October 10
56° · 0.21 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1185° / 65°0
Morning65°feels 63°
Afternoon83°feels 81°
Evening75°feels 74°
Overnight71°feels 70°
85 °
Harrison, Sunday, 11 October
Overcast. High 85°, low 65°.
Pressure29.65 inHg
Wind10.7 mph S
Humidity35%
Visibility6.2 mi
Dew point50°
Mon, 1266° / 53°0
Morning53°feels 52°
Afternoon66°feels 65°
Evening61°feels 60°
Overnight59°feels 58°
66 °
Harrison, Monday, 12 October
Overcast. High 66°, low 53°.
Pressure29.71 inHg
Wind8.9 mph N
Humidity64%
Visibility6.2 mi
Dew point53°
Tue, 1359° / 49°0
Morning49°feels 44°
Afternoon59°feels 56°
Evening54°feels 52°
Overnight53°feels 51°
59 °
Harrison, Tuesday, 13 October
Mostly clear. High 59°, low 49°.
Pressure30.09 inHg
Wind9.9 mph N
Humidity52%
Visibility6.2 mi
Dew point38°
Wed, 1460° / 48°0
Morning49°feels 46°
Afternoon58°feels 55°
Evening56°feels 53°
Overnight51°feels 49°
60 °
Harrison, Wednesday, 14 October
Partly cloudy. High 60°, low 48°.
Pressure30.27 inHg
Wind8.9 mph N
Humidity50%
Visibility—
Dew point38°
Thu, 1556° / 49°0.21
Morning51°feels 49°
Afternoon53°feels 52°
Evening53°feels 52°
Overnight50°feels 49°
56 °
Harrison, Thursday, 15 October
Light rain. High 56°, low 49°.
Pressure30.30 inHg
Wind7.7 mph N
Humidity83%
Visibility—
Dew point47°
Fri, 1648° / 34°0
Morning42°feels 32°
Afternoon42°feels 31°
Evening38°feels 27°
Overnight35°feels 24°
48 °
Harrison, Friday, 16 October
Overcast. High 48°, low 34°.
Pressure30.36 inHg
Wind29.6 mph NW
Humidity50%
Visibility—
Dew point25°
Sat, 1743° / 24°0
Morning29°feels 20°
Afternoon38°feels 33°
Evening36°feels 29°
Overnight31°feels 22°
43 °
Harrison, Saturday, 17 October
Clear. High 43°, low 24°.
Pressure30.62 inHg
Wind17.6 mph NW
Humidity27%
Visibility—
Dew point6°
Sun, 1860° / 32°0
Morning40°feels 31°
Afternoon53°feels 50°
Evening52°feels 49°
Overnight46°feels 42°
60 °
Harrison, Sunday, 18 October
Overcast. High 60°, low 32°.
Pressure30.09 inHg
Wind20.5 mph S
Humidity31%
Visibility—
Dew point21°
Mon, 1971° / 46°0
Morning52°feels 49°
Afternoon65°feels 63°
Evening62°feels 60°
Overnight57°feels 55°
71 °
Harrison, Monday, 19 October
Clear. High 71°, low 46°.
Pressure29.94 inHg
Wind15.8 mph S
Humidity43%
Visibility—
Dew point40°
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 Harrison, 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.