10-day forecast for Mellette, SD: 38° to 73°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Tuesday, October 20
58° · 0.35 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1557° / 45°0.03
Morning47°feels 45°
Afternoon57°feels 54°
Evening48°feels 41°
Overnight48°feels 48°
57 °
Mellette, Thursday, 15 October
Light rain. High 57°, low 45°.
Pressure30.15 inHg
Wind13.5 mph NW
Humidity57%
Visibility6.2 mi
Dew point43°
Fri, 1652° / 38°0
Morning38°feels 29°
Afternoon49°feels 46°
Evening43°feels 41°
Overnight45°feels 36°
52 °
Mellette, Friday, 16 October
Clear. High 52°, low 38°.
Pressure30.71 inHg
Wind10.9 mph NW
Humidity57%
Visibility6.2 mi
Dew point28°
Sat, 1765° / 39°0
Morning40°feels 32°
Afternoon61°feels 59°
Evening56°feels 54°
Overnight39°feels 32°
65 °
Mellette, Saturday, 17 October
Clear. High 65°, low 39°.
Pressure30.21 inHg
Wind14.7 mph S
Humidity40%
Visibility6.2 mi
Dew point27°
Sun, 1867° / 44°0
Morning46°feels 42°
Afternoon60°feels 58°
Evening57°feels 55°
Overnight49°feels 45°
67 °
Mellette, Sunday, 18 October
Clear. High 67°, low 44°.
Pressure30.06 inHg
Wind3.8 mph S
Humidity47%
Visibility6.2 mi
Dew point37°
Mon, 1963° / 41°0
Morning46°feels 45°
Afternoon59°feels 57°
Evening56°feels 55°
Overnight51°feels 49°
63 °
Mellette, Monday, 19 October
Partly cloudy. High 63°, low 41°.
Pressure30.09 inHg
Wind8.1 mph SE
Humidity59%
Visibility—
Dew point42°
Tue, 2073° / 46°0
Morning52°feels 49°
Afternoon67°feels 66°
Evening65°feels 64°
Overnight60°feels 58°
73 °
Mellette, Tuesday, 20 October
Clear. High 73°, low 46°.
Pressure29.97 inHg
Wind18.2 mph S
Humidity42%
Visibility—
Dew point41°
Wed, 2169° / 52°0
Morning57°feels 56°
Afternoon66°feels 65°
Evening58°feels 56°
Overnight52°feels 50°
69 °
Mellette, Wednesday, 21 October
Mostly clear. High 69°, low 52°.
Pressure29.91 inHg
Wind15.9 mph S
Humidity45%
Visibility—
Dew point43°
Thu, 2264° / 41°0
Morning46°feels 42°
Afternoon58°feels 55°
Evening55°feels 52°
Overnight49°feels 46°
64 °
Mellette, Thursday, 22 October
Mostly clear. High 64°, low 41°.
Pressure30.18 inHg
Wind10.2 mph SE
Humidity35%
Visibility—
Dew point29°
Fri, 2358° / 49°0.35
Morning51°feels 49°
Afternoon56°feels 55°
Evening58°feels 58°
Overnight57°feels 56°
58 °
Mellette, Friday, 23 October
Rain. High 58°, low 49°.
Pressure29.74 inHg
Wind11.3 mph SE
Humidity95%
Visibility—
Dew point53°
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 Mellette, 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.