10-day forecast for Marion, SD: 26° to 74°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Thursday, October 22
56° · 0.37 in
Worst day: Sunday, October 25
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2172° / 47°0
Morning47°feels 45°
Afternoon70°feels 69°
Evening62°feels 61°
Overnight52°feels 51°
72 °
Marion, Wednesday, 21 October
Clear. High 72°, low 47°.
Pressure30.18 inHg
Wind3.3 mph E
Humidity67%
Visibility6.2 mi
Dew point53°
Thu, 2274° / 53°0
Morning53°feels 53°
Afternoon73°feels 73°
Evening65°feels 65°
Overnight55°feels 55°
74 °
Marion, Thursday, 22 October
Clear. High 74°, low 53°.
Pressure30.15 inHg
Wind8.8 mph SE
Humidity68%
Visibility6.2 mi
Dew point57°
Fri, 2372° / 58°0.05
Morning58°feels 57°
Afternoon68°feels 67°
Evening66°feels 65°
Overnight61°feels 60°
72 °
Marion, Friday, 23 October
Light rain. High 72°, low 58°.
Pressure30.00 inHg
Wind16.5 mph SE
Humidity67%
Visibility6.2 mi
Dew point52°
Sat, 2465° / 52°0.18
Morning63°feels 62°
Afternoon64°feels 62°
Evening56°feels 54°
Overnight63°feels 62°
65 °
Marion, Saturday, 24 October
Light rain. High 65°, low 52°.
Pressure30.09 inHg
Wind17.8 mph SE
Humidity62%
Visibility—
Dew point51°
Sun, 2556° / 46°0.37
Morning49°feels 47°
Afternoon55°feels 53°
Evening48°feels 47°
Overnight46°feels 43°
56 °
Marion, Sunday, 25 October
Rain. High 56°, low 46°.
Pressure30.42 inHg
Wind5.7 mph NE
Humidity56%
Visibility—
Dew point39°
Mon, 2650° / 37°0.13
Morning40°feels 34°
Afternoon47°feels 43°
Evening43°feels 39°
Overnight40°feels 35°
50 °
Marion, Monday, 26 October
Light rain. High 50°, low 37°.
Pressure30.36 inHg
Wind10 mph NE
Humidity47%
Visibility—
Dew point27°
Tue, 2739° / 29°0
Morning34°feels 24°
Afternoon37°feels 28°
Evening33°feels 26°
Overnight30°feels 23°
39 °
Marion, Tuesday, 27 October
Clear. High 39°, low 29°.
Pressure30.65 inHg
Wind16.8 mph NW
Humidity34%
Visibility—
Dew point11°
Wed, 2849° / 26°0
Morning31°feels 25°
Afternoon43°feels 39°
Evening40°feels 35°
Overnight36°feels 30°
49 °
Marion, Wednesday, 28 October
Clear. High 49°, low 26°.
Pressure30.47 inHg
Wind9.3 mph SW
Humidity27%
Visibility—
Dew point10°
Thu, 2954° / 36°0
Morning41°feels 37°
Afternoon51°feels 49°
Evening46°feels 42°
Overnight40°feels 35°
54 °
Marion, Thursday, 29 October
Partly cloudy. High 54°, low 36°.
Pressure30.00 inHg
Wind8.2 mph SW
Humidity53%
Visibility—
Dew point33°
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 Marion, 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.