10-day forecast for Erwin, SD: 22° to 71°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Thursday, October 22
61° · 0.32 in
Worst day: Saturday, October 24
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2066° / 42°0
Morning42°feels 37°
Afternoon62°feels 61°
Evening53°feels 52°
Overnight45°feels 41°
66 °
Erwin, Tuesday, 20 October
Clear. High 66°, low 42°.
Pressure30.21 inHg
Wind11.5 mph S
Humidity67%
Visibility6.2 mi
Dew point48°
Wed, 2166° / 46°0
Morning46°feels 45°
Afternoon65°feels 64°
Evening56°feels 56°
Overnight51°feels 50°
66 °
Erwin, Wednesday, 21 October
Clear. High 66°, low 46°.
Pressure30.21 inHg
Wind4.2 mph E
Humidity71%
Visibility6.2 mi
Dew point52°
Thu, 2271° / 51°0
Morning51°feels 50°
Afternoon70°feels 69°
Evening63°feels 63°
Overnight52°feels 51°
71 °
Erwin, Thursday, 22 October
Clear. High 71°, low 51°.
Pressure30.15 inHg
Wind9.8 mph S
Humidity74%
Visibility6.2 mi
Dew point56°
Fri, 2369° / 58°0.01
Morning58°feels 57°
Afternoon64°feels 63°
Evening65°feels 64°
Overnight59°feels 59°
69 °
Erwin, Friday, 23 October
Light rain. High 69°, low 58°.
Pressure29.91 inHg
Wind20.4 mph S
Humidity62%
Visibility—
Dew point49°
Sat, 2461° / 51°0.32
Morning59°feels 58°
Afternoon60°feels 58°
Evening52°feels 51°
Overnight52°feels 51°
61 °
Erwin, Saturday, 24 October
Rain. High 61°, low 51°.
Pressure30.06 inHg
Wind18.9 mph S
Humidity59%
Visibility—
Dew point46°
Sun, 2558° / 40°0
Morning45°feels 40°
Afternoon55°feels 52°
Evening49°feels 47°
Overnight46°feels 42°
58 °
Erwin, Sunday, 25 October
Clear. High 58°, low 40°.
Pressure30.36 inHg
Wind13.7 mph W
Humidity22%
Visibility—
Dew point16°
Mon, 2664° / 39°0
Morning50°feels 45°
Afternoon58°feels 56°
Evening47°feels 40°
Overnight40°feels 31°
64 °
Erwin, Monday, 26 October
Clear. High 64°, low 39°.
Pressure29.97 inHg
Wind20 mph N
Humidity49%
Visibility—
Dew point39°
Tue, 2738° / 28°0
Morning34°feels 25°
Afternoon37°feels 28°
Evening31°feels 22°
Overnight29°feels 21°
38 °
Erwin, Tuesday, 27 October
Partly cloudy. High 38°, low 28°.
Pressure30.42 inHg
Wind18 mph NW
Humidity42%
Visibility—
Dew point16°
Wed, 2843° / 22°0
Morning27°feels 19°
Afternoon38°feels 32°
Evening35°feels 31°
Overnight32°feels 26°
43 °
Erwin, Wednesday, 28 October
Partly cloudy. High 43°, low 22°.
Pressure30.42 inHg
Wind11.2 mph W
Humidity26%
Visibility—
Dew point5°
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.