10-day forecast for Mellette, SD: 38° to 75°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Thursday, October 22
59° · 0.44 in
Worst day: Saturday, October 24
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1650° / 38°0
Morning39°feels 30°
Afternoon48°feels 45°
Evening42°feels 39°
Overnight44°feels 36°
50 °
Mellette, Friday, 16 October
Clear. High 50°, low 38°.
Pressure30.71 inHg
Wind9.5 mph NW
Humidity57%
Visibility6.2 mi
Dew point29°
Sat, 1764° / 40°0
Morning40°feels 33°
Afternoon61°feels 59°
Evening56°feels 53°
Overnight40°feels 33°
64 °
Mellette, Saturday, 17 October
Clear. High 64°, low 40°.
Pressure30.18 inHg
Wind14 mph S
Humidity42%
Visibility6.2 mi
Dew point32°
Sun, 1866° / 43°0
Morning43°feels 39°
Afternoon63°feels 62°
Evening54°feels 53°
Overnight49°feels 45°
66 °
Mellette, Sunday, 18 October
Clear. High 66°, low 43°.
Pressure30.03 inHg
Wind3 mph S
Humidity52%
Visibility6.2 mi
Dew point40°
Mon, 1965° / 44°0
Morning46°feels 43°
Afternoon63°feels 61°
Evening55°feels 54°
Overnight46°feels 44°
65 °
Mellette, Monday, 19 October
Clear. High 65°, low 44°.
Pressure30.12 inHg
Wind4.5 mph NE
Humidity64%
Visibility6.2 mi
Dew point45°
Tue, 2067° / 44°0
Morning49°feels 47°
Afternoon62°feels 60°
Evening58°feels 57°
Overnight53°feels 52°
67 °
Mellette, Tuesday, 20 October
Clear. High 67°, low 44°.
Pressure30.15 inHg
Wind7.7 mph SE
Humidity66%
Visibility—
Dew point48°
Wed, 2168° / 52°0.01
Morning58°feels 58°
Afternoon68°feels 67°
Evening66°feels 66°
Overnight63°feels 63°
68 °
Mellette, Wednesday, 21 October
Light rain. High 68°, low 52°.
Pressure29.97 inHg
Wind18.6 mph S
Humidity64%
Visibility—
Dew point53°
Thu, 2275° / 60°0
Morning63°feels 63°
Afternoon70°feels 69°
Evening70°feels 70°
Overnight68°feels 68°
75 °
Mellette, Thursday, 22 October
Partly cloudy. High 75°, low 60°.
Pressure29.83 inHg
Wind17.6 mph SE
Humidity66%
Visibility—
Dew point56°
Fri, 2367° / 54°0.35
Morning65°feels 65°
Afternoon63°feels 63°
Evening60°feels 60°
Overnight56°feels 56°
67 °
Mellette, Friday, 23 October
Rain. High 67°, low 54°.
Pressure29.71 inHg
Wind19.6 mph S
Humidity87%
Visibility—
Dew point60°
Sat, 2459° / 47°0.44
Morning52°feels 47°
Afternoon56°feels 54°
Evening51°feels 47°
Overnight47°feels 44°
59 °
Mellette, Saturday, 24 October
Rain. High 59°, low 47°.
Pressure30.12 inHg
Wind17.4 mph W
Humidity44%
Visibility—
Dew point35°
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.