10-day forecast for Harrisburg, SD: 61° to 93°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
93°
Best day: Tuesday, August 11
70° · 1.02 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1088° / 65°0.2
Morning65°feels 66°
Afternoon88°feels 85°
Evening79°feels 78°
Overnight73°feels 74°
88 °
Harrisburg, Monday, 10 August
Rain. High 88°, low 65°.
Pressure29.83 inHg
Wind10.5 mph SE
Humidity32%
Visibility6.2 mi
Dew point57°
Tue, 1193° / 66°0.03
Morning70°feels 71°
Afternoon91°feels 90°
Evening83°feels 84°
Overnight70°feels 71°
93 °
Harrisburg, Tuesday, 11 August
Light rain. High 93°, low 66°.
Pressure29.80 inHg
Wind14.6 mph NE
Humidity44%
Visibility6.2 mi
Dew point62°
Wed, 1287° / 65°0.91
Morning66°feels 66°
Afternoon85°feels 87°
Evening80°feels 80°
Overnight68°feels 68°
87 °
Harrisburg, Wednesday, 12 August
Heavy rain. High 87°, low 65°.
Pressure29.85 inHg
Wind7.7 mph S
Humidity58%
Visibility6.2 mi
Dew point65°
Thu, 1375° / 67°0.09
Morning70°feels 71°
Afternoon77°feels 78°
Evening70°feels 71°
Overnight72°feels 72°
75 °
Harrisburg, Thursday, 13 August
Light rain. High 75°, low 67°.
Pressure29.85 inHg
Wind11.5 mph E
Humidity85%
Visibility6.2 mi
Dew point67°
Fri, 1470° / 64°1.02
Morning66°feels 66°
Afternoon69°feels 70°
Evening67°feels 69°
Overnight67°feels 68°
70 °
Harrisburg, Friday, 14 August
Heavy rain. High 70°, low 64°.
Pressure29.91 inHg
Wind15.5 mph E
Humidity85%
Visibility—
Dew point64°
Sat, 1573° / 68°0.24
Morning68°feels 69°
Afternoon69°feels 71°
Evening72°feels 73°
Overnight68°feels 69°
73 °
Harrisburg, Saturday, 15 August
Light rain. High 73°, low 68°.
Pressure29.94 inHg
Wind7.5 mph NW
Humidity98%
Visibility—
Dew point68°
Sun, 1674° / 62°0.04
Morning66°feels 66°
Afternoon73°feels 74°
Evening72°feels 72°
Overnight65°feels 65°
74 °
Harrisburg, Sunday, 16 August
Light rain. High 74°, low 62°.
Pressure30.06 inHg
Wind7.7 mph E
Humidity70%
Visibility—
Dew point62°
Mon, 1778° / 64°0.67
Morning67°feels 68°
Afternoon72°feels 73°
Evening76°feels 78°
Overnight70°feels 71°
78 °
Harrisburg, Monday, 17 August
Rain. High 78°, low 64°.
Pressure29.83 inHg
Wind10.9 mph SE
Humidity95%
Visibility—
Dew point69°
Tue, 1886° / 61°0
Morning68°feels 68°
Afternoon83°feels 84°
Evening80°feels 83°
Overnight70°feels 70°
86 °
Harrisburg, Tuesday, 18 August
Mostly clear. High 86°, low 61°.
Pressure29.91 inHg
Wind10 mph NW
Humidity46%
Visibility—
Dew point58°
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 Harrisburg, 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.