10-day forecast for Mellette, SD: 39° to 72°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Thursday, October 22
63° · 1.4 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1556° / 46°0.05
Morning46°feels 43°
Afternoon54°feels 51°
Evening47°feels 40°
Overnight46°feels 46°
56 °
Mellette, Thursday, 15 October
Light rain. High 56°, low 46°.
Pressure30.15 inHg
Wind17.2 mph NW
Humidity53%
Visibility6.2 mi
Dew point39°
Fri, 1652° / 39°0
Morning39°feels 31°
Afternoon50°feels 46°
Evening43°feels 41°
Overnight44°feels 35°
52 °
Mellette, Friday, 16 October
Clear. High 52°, low 39°.
Pressure30.71 inHg
Wind10.8 mph NW
Humidity56%
Visibility6.2 mi
Dew point28°
Sat, 1764° / 39°0
Morning40°feels 32°
Afternoon61°feels 58°
Evening56°feels 54°
Overnight39°feels 33°
64 °
Mellette, Saturday, 17 October
Clear. High 64°, low 39°.
Pressure30.21 inHg
Wind14.3 mph S
Humidity41%
Visibility6.2 mi
Dew point30°
Sun, 1867° / 43°0
Morning45°feels 43°
Afternoon64°feels 62°
Evening55°feels 53°
Overnight49°feels 45°
67 °
Mellette, Sunday, 18 October
Clear. High 67°, low 43°.
Pressure30.12 inHg
Wind2.5 mph NE
Humidity50%
Visibility6.2 mi
Dew point39°
Mon, 1965° / 43°0
Morning48°feels 46°
Afternoon60°feels 59°
Evening55°feels 54°
Overnight50°feels 48°
65 °
Mellette, Monday, 19 October
Clear. High 65°, low 43°.
Pressure30.18 inHg
Wind7 mph SE
Humidity53%
Visibility—
Dew point42°
Tue, 2068° / 46°0
Morning51°feels 48°
Afternoon63°feels 62°
Evening63°feels 61°
Overnight59°feels 57°
68 °
Mellette, Tuesday, 20 October
Clear. High 68°, low 46°.
Pressure30.09 inHg
Wind17.6 mph SE
Humidity60%
Visibility—
Dew point46°
Wed, 2172° / 57°0.01
Morning62°feels 60°
Afternoon70°feels 70°
Evening64°feels 64°
Overnight63°feels 63°
72 °
Mellette, Wednesday, 21 October
Light rain. High 72°, low 57°.
Pressure29.85 inHg
Wind20.4 mph S
Humidity53%
Visibility—
Dew point52°
Thu, 2272° / 64°0.01
Morning65°feels 65°
Afternoon68°feels 68°
Evening67°feels 66°
Overnight66°feels 66°
72 °
Mellette, Thursday, 22 October
Light rain. High 72°, low 64°.
Pressure29.65 inHg
Wind22.7 mph S
Humidity71%
Visibility—
Dew point58°
Fri, 2363° / 48°1.4
Morning52°feels 48°
Afternoon56°feels 54°
Evening51°feels 48°
Overnight48°feels 45°
63 °
Mellette, Friday, 23 October
Rain. High 63°, low 48°.
Pressure29.71 inHg
Wind17.4 mph W
Humidity52%
Visibility—
Dew point38°
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.