10-day forecast for Erwin, SD: 35° to 76°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Thursday, October 22
47°
Worst day: Friday, October 16
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1759° / 37°0
Morning39°feels 30°
Afternoon57°feels 54°
Evening53°feels 50°
Overnight37°feels 30°
59 °
Erwin, Saturday, 17 October
Clear. High 59°, low 37°.
Pressure30.27 inHg
Wind16.8 mph S
Humidity47%
Visibility6.2 mi
Dew point32°
Sun, 1862° / 45°0
Morning45°feels 39°
Afternoon60°feels 58°
Evening51°feels 49°
Overnight47°feels 41°
62 °
Erwin, Sunday, 18 October
Clear. High 62°, low 45°.
Pressure30.09 inHg
Wind8.2 mph S
Humidity51%
Visibility6.2 mi
Dew point39°
Mon, 1961° / 45°0
Morning47°feels 44°
Afternoon58°feels 57°
Evening52°feels 51°
Overnight47°feels 44°
61 °
Erwin, Monday, 19 October
Partly cloudy. High 61°, low 45°.
Pressure30.12 inHg
Wind7.3 mph SE
Humidity66%
Visibility6.2 mi
Dew point44°
Tue, 2064° / 47°0
Morning51°feels 47°
Afternoon60°feels 59°
Evening58°feels 57°
Overnight54°feels 53°
64 °
Erwin, Tuesday, 20 October
Clear. High 64°, low 47°.
Pressure30.06 inHg
Wind12.4 mph SE
Humidity64%
Visibility—
Dew point47°
Wed, 2165° / 52°0
Morning56°feels 55°
Afternoon64°feels 64°
Evening62°feels 62°
Overnight58°feels 58°
65 °
Erwin, Wednesday, 21 October
Clear. High 65°, low 52°.
Pressure30.00 inHg
Wind12.8 mph S
Humidity67%
Visibility—
Dew point52°
Thu, 2276° / 55°0
Morning60°feels 60°
Afternoon72°feels 72°
Evening68°feels 68°
Overnight64°feels 64°
76 °
Erwin, Thursday, 22 October
Partly cloudy. High 76°, low 55°.
Pressure29.97 inHg
Wind15 mph S
Humidity60%
Visibility—
Dew point56°
Fri, 2370° / 60°0.08
Morning65°feels 64°
Afternoon69°feels 67°
Evening62°feels 61°
Overnight60°feels 59°
70 °
Erwin, Friday, 23 October
Light rain. High 70°, low 60°.
Pressure29.77 inHg
Wind24.8 mph SE
Humidity41%
Visibility—
Dew point44°
Sat, 2459° / 41°0.02
Morning47°feels 39°
Afternoon51°feels 47°
Evening45°feels 36°
Overnight41°feels 32°
59 °
Erwin, Saturday, 24 October
Light rain. High 59°, low 41°.
Pressure30.03 inHg
Wind26.4 mph SE
Humidity42%
Visibility—
Dew point28°
Sun, 2551° / 35°0
Morning39°feels 34°
Afternoon47°feels 43°
Evening42°feels 39°
Overnight39°feels 35°
51 °
Erwin, Sunday, 25 October
Overcast. High 51°, low 35°.
Pressure30.42 inHg
Wind14.7 mph W
Humidity33%
Visibility—
Dew point18°
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 Erwin, 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.