10-day forecast for Mellette, SD: 38° to 79°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Wednesday, October 21
53° · 0.21 in
Worst day: Tuesday, October 13
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1353° / 41°0.21
Morning46°feels 42°
Afternoon51°feels 49°
Evening50°feels 48°
Overnight42°feels 36°
53 °
Mellette, Tuesday, 13 October
Rain. High 53°, low 41°.
Pressure30.06 inHg
Wind5.3 mph NW
Humidity79%
Visibility6.2 mi
Dew point42°
Wed, 1456° / 39°0.17
Morning39°feels 39°
Afternoon55°feels 53°
Evening52°feels 50°
Overnight43°feels 43°
56 °
Mellette, Wednesday, 14 October
Rain. High 56°, low 39°.
Pressure30.27 inHg
Wind2.6 mph NE
Humidity61%
Visibility6.2 mi
Dew point39°
Thu, 1560° / 45°0
Morning45°feels 43°
Afternoon60°feels 57°
Evening50°feels 44°
Overnight49°feels 49°
60 °
Mellette, Thursday, 15 October
Light rain. High 60°, low 45°.
Pressure30.27 inHg
Wind13.2 mph NW
Humidity54%
Visibility6.2 mi
Dew point42°
Fri, 1654° / 38°0
Morning40°feels 35°
Afternoon51°feels 48°
Evening47°feels 44°
Overnight44°feels 37°
54 °
Mellette, Friday, 16 October
Clear. High 54°, low 38°.
Pressure30.74 inHg
Wind5.1 mph NW
Humidity58%
Visibility6.2 mi
Dew point33°
Sat, 1766° / 43°0
Morning47°feels 42°
Afternoon60°feels 57°
Evening60°feels 57°
Overnight54°feels 50°
66 °
Mellette, Saturday, 17 October
Clear. High 66°, low 43°.
Pressure30.09 inHg
Wind16.3 mph S
Humidity35%
Visibility—
Dew point30°
Sun, 1873° / 45°0
Morning51°feels 47°
Afternoon66°feels 64°
Evening61°feels 59°
Overnight55°feels 52°
73 °
Mellette, Sunday, 18 October
Clear. High 73°, low 45°.
Pressure29.80 inHg
Wind13.5 mph S
Humidity26%
Visibility—
Dew point28°
Mon, 1969° / 50°0
Morning55°feels 52°
Afternoon64°feels 62°
Evening57°feels 54°
Overnight52°feels 49°
69 °
Mellette, Monday, 19 October
Clear. High 69°, low 50°.
Pressure30.12 inHg
Wind9.2 mph NE
Humidity34%
Visibility—
Dew point35°
Tue, 2071° / 46°0
Morning52°feels 49°
Afternoon66°feels 64°
Evening63°feels 63°
Overnight61°feels 59°
71 °
Mellette, Tuesday, 20 October
Clear. High 71°, low 46°.
Pressure30.03 inHg
Wind17.1 mph SE
Humidity42%
Visibility—
Dew point40°
Wed, 2179° / 57°0.01
Morning62°feels 62°
Afternoon74°feels 74°
Evening73°feels 73°
Overnight68°feels 68°
79 °
Mellette, Wednesday, 21 October
Light rain. High 79°, low 57°.
Pressure29.85 inHg
Wind21.5 mph S
Humidity55%
Visibility—
Dew point55°
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.