10-day forecast for Harrison, SD: 32° to 89°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Saturday, October 10
65° · 0.39 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1089° / 67°0
Morning67°feels 66°
Afternoon88°feels 85°
Evening80°feels 80°
Overnight71°feels 70°
89 °
Harrison, Saturday, 10 October
Clear. High 89°, low 67°.
Pressure29.59 inHg
Wind17.9 mph S
Humidity28%
Visibility6.2 mi
Dew point46°
Sun, 1184° / 57°0
Morning66°feels 65°
Afternoon84°feels 82°
Evening65°feels 65°
Overnight73°feels 72°
84 °
Harrison, Sunday, 11 October
Overcast. High 84°, low 57°.
Pressure29.62 inHg
Wind10.1 mph S
Humidity31%
Visibility6.2 mi
Dew point47°
Mon, 1265° / 50°0
Morning51°feels 50°
Afternoon65°feels 64°
Evening60°feels 59°
Overnight53°feels 51°
65 °
Harrison, Monday, 12 October
Clear. High 65°, low 50°.
Pressure29.80 inHg
Wind5.5 mph NE
Humidity63%
Visibility6.2 mi
Dew point49°
Tue, 1361° / 51°0
Morning54°feels 52°
Afternoon59°feels 57°
Evening56°feels 55°
Overnight56°feels 54°
61 °
Harrison, Tuesday, 13 October
Overcast. High 61°, low 51°.
Pressure30.00 inHg
Wind11.7 mph N
Humidity55%
Visibility—
Dew point42°
Wed, 1458° / 52°0.17
Morning54°feels 52°
Afternoon57°feels 56°
Evening55°feels 54°
Overnight54°feels 54°
58 °
Harrison, Wednesday, 14 October
Light rain. High 58°, low 52°.
Pressure29.88 inHg
Wind13.6 mph NE
Humidity68%
Visibility—
Dew point47°
Thu, 1565° / 45°0.39
Morning59°feels 59°
Afternoon51°feels 48°
Evening46°feels 37°
Overnight49°feels 42°
65 °
Harrison, Thursday, 15 October
Rain. High 65°, low 45°.
Pressure29.56 inHg
Wind36.3 mph NW
Humidity83%
Visibility—
Dew point48°
Fri, 1648° / 39°0
Morning41°feels 30°
Afternoon45°feels 36°
Evening43°feels 35°
Overnight40°feels 32°
48 °
Harrison, Friday, 16 October
Overcast. High 48°, low 39°.
Pressure30.24 inHg
Wind29.8 mph NW
Humidity43%
Visibility—
Dew point23°
Sat, 1754° / 32°0
Morning36°feels 32°
Afternoon48°feels 44°
Evening47°feels 41°
Overnight42°feels 36°
54 °
Harrison, Saturday, 17 October
Partly cloudy. High 54°, low 32°.
Pressure30.36 inHg
Wind13.8 mph S
Humidity29%
Visibility—
Dew point15°
Sun, 1867° / 43°0
Morning49°feels 47°
Afternoon62°feels 60°
Evening57°feels 54°
Overnight52°feels 50°
67 °
Harrison, Sunday, 18 October
Overcast. High 67°, low 43°.
Pressure30.06 inHg
Wind11.9 mph S
Humidity32%
Visibility—
Dew point30°
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.