10-day forecast for Alpena, SD: 56° to 102°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
95°
Best day: Wednesday, August 12
78° · 0.43 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0989° / 64°0
Morning66°feels 66°
Afternoon87°feels 84°
Evening83°feels 82°
Overnight70°feels 70°
89 °
Alpena, Sunday, 9 August
Clear. High 89°, low 64°.
Pressure29.77 inHg
Wind14.3 mph NE
Humidity43%
Visibility6.2 mi
Dew point64°
Mon, 10102° / 63°0.17
Morning64°feels 64°
Afternoon96°feels 95°
Evening96°feels 95°
Overnight68°feels 67°
102 °
Alpena, Monday, 10 August
Rain. High 102°, low 63°.
Pressure29.80 inHg
Wind7.9 mph SE
Humidity38%
Visibility6.2 mi
Dew point59°
Tue, 1194° / 65°0.24
Morning68°feels 68°
Afternoon91°feels 90°
Evening86°feels 85°
Overnight69°feels 70°
94 °
Alpena, Tuesday, 11 August
Heavy rain. High 94°, low 65°.
Pressure29.85 inHg
Wind10.3 mph N
Humidity48%
Visibility6.2 mi
Dew point62°
Wed, 1295° / 65°0.02
Morning69°feels 69°
Afternoon92°feels 89°
Evening84°feels 82°
Overnight69°feels 69°
95 °
Alpena, Wednesday, 12 August
Light rain. High 95°, low 65°.
Pressure29.91 inHg
Wind7.4 mph E
Humidity40%
Visibility6.2 mi
Dew point58°
Thu, 1378° / 62°0.43
Morning66°feels 66°
Afternoon77°feels 77°
Evening76°feels 75°
Overnight68°feels 68°
78 °
Alpena, Thursday, 13 August
Rain. High 78°, low 62°.
Pressure30.00 inHg
Wind9.1 mph SE
Humidity56%
Visibility—
Dew point58°
Fri, 1484° / 61°0
Morning66°feels 66°
Afternoon80°feels 80°
Evening78°feels 78°
Overnight66°feels 65°
84 °
Alpena, Friday, 14 August
Overcast. High 84°, low 61°.
Pressure30.09 inHg
Wind14 mph S
Humidity41%
Visibility—
Dew point52°
Sat, 1579° / 61°0
Morning68°feels 68°
Afternoon77°feels 78°
Evening78°feels 78°
Overnight71°feels 71°
79 °
Alpena, Saturday, 15 August
Overcast. High 79°, low 61°.
Pressure30.12 inHg
Wind12.4 mph S
Humidity59%
Visibility—
Dew point60°
Sun, 1687° / 63°0.02
Morning67°feels 68°
Afternoon80°feels 80°
Evening81°feels 82°
Overnight70°feels 70°
87 °
Alpena, Sunday, 16 August
Light rain. High 87°, low 63°.
Pressure30.06 inHg
Wind7.6 mph S
Humidity61%
Visibility—
Dew point63°
Mon, 1794° / 64°0.11
Morning70°feels 71°
Afternoon87°feels 89°
Evening92°feels 92°
Overnight77°feels 78°
94 °
Alpena, Monday, 17 August
Light rain. High 94°, low 64°.
Pressure29.97 inHg
Wind11.1 mph SW
Humidity52%
Visibility—
Dew point64°
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 Alpena, 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.