Mellette, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mellette, a city in Spink County, South Dakota.
Today
76°F
Mostly Sunny
Mostly sunny, with a high near 76. Northwest wind around 9 mph.
7-day forecast for Mellette
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Mostly Sunny | 9 mph NW | 0% |
| Tonight | 52°F | Mostly Clear | 7 mph WSW | 0% |
| Wednesday | 83°F | Sunny | 6 to 13 mph SSW | 1% |
| Wednesday Night | 59°F | Partly Cloudy | 9 to 13 mph SSW | 3% |
| Thursday | 88°F | Sunny | 10 to 15 mph SSW | 9% |
| Thursday Night | 61°F | Mostly Clear | 10 mph S | 9% |
| Friday | 89°F | Sunny | 8 to 12 mph SW | 2% |
| Friday Night | 61°F | Mostly Clear | 7 to 10 mph E | 4% |
| Saturday | 88°F | Sunny | 7 to 16 mph ESE | 6% |
| Saturday Night | 61°F | Mostly Clear | 10 to 15 mph ENE | 11% |
| Sunday | 86°F | Mostly Sunny | 9 to 15 mph NE | 5% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms | 9 to 15 mph ENE | 26% |
| Monday | 84°F | Chance Showers And Thunderstorms then Partly Sunny | 10 to 16 mph NE | 26% |
| Monday Night | 61°F | Slight Chance Showers And Thunderstorms | 10 to 16 mph NE | 18% |
Forecast source: National Weather Service (api.weather.gov) for Mellette (45.154, -98.498). Updated through the day.
Growing snapshot for Mellette
Last spring frost
May 11
First fall frost
Sep 27
Growing season
137 days
Hardiness zone
4a
More local growing data for Mellette: nearby ZIP 57461 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
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Doland
Frankfort
Glendale Colony
Hillside Colony
Northville
Redfield
Spink Colony
Tulare
Turton
Verdon
Climate data from the nearest NOAA station, Mellette 4 W, Sd (6.9 mi from Mellette). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.