10-day forecast for Marion, SD: 25° to 73°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Thursday, October 22
64° · 0.81 in
Worst day: Saturday, October 24
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2069° / 45°0
Morning45°feels 40°
Afternoon67°feels 66°
Evening58°feels 57°
Overnight49°feels 45°
69 °
Marion, Tuesday, 20 October
Clear. High 69°, low 45°.
Pressure30.21 inHg
Wind10.2 mph SE
Humidity63%
Visibility6.2 mi
Dew point47°
Wed, 2169° / 48°0
Morning48°feels 47°
Afternoon68°feels 67°
Evening60°feels 59°
Overnight53°feels 52°
69 °
Marion, Wednesday, 21 October
Clear. High 69°, low 48°.
Pressure30.21 inHg
Wind4.3 mph SE
Humidity69%
Visibility6.2 mi
Dew point52°
Thu, 2273° / 53°0
Morning53°feels 52°
Afternoon72°feels 72°
Evening65°feels 65°
Overnight55°feels 54°
73 °
Marion, Thursday, 22 October
Clear. High 73°, low 53°.
Pressure30.18 inHg
Wind8.9 mph SE
Humidity69%
Visibility6.2 mi
Dew point57°
Fri, 2371° / 56°0.12
Morning57°feels 57°
Afternoon67°feels 66°
Evening67°feels 66°
Overnight60°feels 59°
71 °
Marion, Friday, 23 October
Light rain. High 71°, low 56°.
Pressure29.94 inHg
Wind17.4 mph SE
Humidity61%
Visibility6.2 mi
Dew point50°
Sat, 2464° / 53°0.81
Morning60°feels 60°
Afternoon63°feels 62°
Evening53°feels 53°
Overnight54°feels 53°
64 °
Marion, Saturday, 24 October
Rain. High 64°, low 53°.
Pressure30.06 inHg
Wind15.5 mph S
Humidity73%
Visibility—
Dew point55°
Sun, 2561° / 43°0.01
Morning48°feels 44°
Afternoon58°feels 54°
Evening52°feels 49°
Overnight49°feels 45°
61 °
Marion, Sunday, 25 October
Light rain. High 61°, low 43°.
Pressure30.39 inHg
Wind8.3 mph NW
Humidity20%
Visibility—
Dew point16°
Mon, 2667° / 45°0.02
Morning50°feels 46°
Afternoon62°feels 61°
Evening61°feels 60°
Overnight52°feels 49°
67 °
Marion, Monday, 26 October
Light rain. High 67°, low 45°.
Pressure30.00 inHg
Wind16.8 mph NE
Humidity55%
Visibility—
Dew point44°
Tue, 2745° / 32°0
Morning38°feels 29°
Afternoon42°feels 33°
Evening36°feels 27°
Overnight33°feels 25°
45 °
Marion, Tuesday, 27 October
Overcast. High 45°, low 32°.
Pressure30.39 inHg
Wind19.5 mph NW
Humidity34%
Visibility—
Dew point15°
Wed, 2847° / 25°0
Morning30°feels 24°
Afternoon42°feels 38°
Evening39°feels 39°
Overnight35°feels 32°
47 °
Marion, Wednesday, 28 October
Clear. High 47°, low 25°.
Pressure30.42 inHg
Wind8.5 mph W
Humidity25%
Visibility—
Dew point7°
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.