10-day forecast for Harrison, SD: 25° to 88°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Saturday, October 10
44°
Worst day: Saturday, October 17
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1182° / 63°0
Morning64°feels 63°
Afternoon81°feels 80°
Evening69°feels 68°
Overnight72°feels 71°
82 °
Harrison, Sunday, 11 October
Overcast. High 82°, low 63°.
Pressure29.65 inHg
Wind10.7 mph S
Humidity36%
Visibility6.2 mi
Dew point51°
Mon, 1271° / 55°0
Morning55°feels 55°
Afternoon70°feels 70°
Evening63°feels 62°
Overnight60°feels 60°
71 °
Harrison, Monday, 12 October
Clear. High 71°, low 55°.
Pressure29.68 inHg
Wind12.5 mph NW
Humidity61%
Visibility6.2 mi
Dew point53°
Tue, 1357° / 48°0
Morning48°feels 44°
Afternoon54°feels 52°
Evening53°feels 51°
Overnight51°feels 50°
57 °
Harrison, Tuesday, 13 October
Overcast. High 57°, low 48°.
Pressure30.03 inHg
Wind8.9 mph N
Humidity59%
Visibility6.2 mi
Dew point38°
Wed, 1461° / 44°0
Morning46°feels 44°
Afternoon58°feels 56°
Evening55°feels 52°
Overnight47°feels 45°
61 °
Harrison, Wednesday, 14 October
Clear. High 61°, low 44°.
Pressure30.30 inHg
Wind6.8 mph N
Humidity54%
Visibility6.2 mi
Dew point38°
Thu, 1561° / 49°0
Morning52°feels 51°
Afternoon59°feels 57°
Evening57°feels 55°
Overnight54°feels 52°
61 °
Harrison, Thursday, 15 October
Overcast. High 61°, low 49°.
Pressure30.36 inHg
Wind6.8 mph N
Humidity47%
Visibility—
Dew point38°
Fri, 1654° / 34°0
Morning45°feels 41°
Afternoon49°feels 44°
Evening39°feels 31°
Overnight36°feels 29°
54 °
Harrison, Friday, 16 October
Overcast. High 54°, low 34°.
Pressure30.68 inHg
Wind16.6 mph N
Humidity43%
Visibility—
Dew point28°
Sat, 1744° / 25°0
Morning30°feels 25°
Afternoon40°feels 34°
Evening38°feels 30°
Overnight35°feels 26°
44 °
Harrison, Saturday, 17 October
Clear. High 44°, low 25°.
Pressure30.68 inHg
Wind16.2 mph S
Humidity26%
Visibility—
Dew point6°
Sun, 1867° / 38°0
Morning44°feels 37°
Afternoon58°feels 56°
Evening57°feels 55°
Overnight52°feels 48°
67 °
Harrison, Sunday, 18 October
Overcast. High 67°, low 38°.
Pressure30.12 inHg
Wind19.3 mph S
Humidity37%
Visibility—
Dew point29°
Mon, 1971° / 49°0
Morning55°feels 54°
Afternoon66°feels 65°
Evening60°feels 58°
Overnight55°feels 53°
71 °
Harrison, Monday, 19 October
Clear. High 71°, low 49°.
Pressure30.15 inHg
Wind9.8 mph SE
Humidity39%
Visibility—
Dew point39°
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.