Wetonka, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wetonka, a town in Brown County, South Dakota.
Today
75°F
Patchy Smoke then Sunny
Patchy smoke before 10am. Sunny, with a high near 75. West northwest wind 8 to 12 mph.
7-day forecast for Wetonka
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Patchy Smoke then Sunny | 8 to 12 mph WNW | 0% |
| Tonight | 52°F | Mostly Clear | 5 to 8 mph SW | 0% |
| Wednesday | 82°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
| Wednesday Night | 57°F | Partly Cloudy | 7 to 10 mph SSW | 1% |
| Thursday | 87°F | Sunny | 10 mph SW | 3% |
| Thursday Night | 59°F | Mostly Clear | 9 mph S | 4% |
| Friday | 87°F | Sunny | 7 to 12 mph SW | 4% |
| Friday Night | 60°F | Mostly Clear | 6 to 10 mph E | 2% |
| Saturday | 86°F | Mostly Sunny | 6 to 14 mph E | 3% |
| Saturday Night | 60°F | Mostly Clear | 13 mph NE | 9% |
| Sunday | 83°F | Mostly Sunny | 9 to 14 mph NE | 5% |
| Sunday Night | 61°F | Slight Chance Showers And Thunderstorms | 9 to 13 mph ENE | 26% |
| Monday | 82°F | Chance Showers And Thunderstorms then Partly Sunny | 10 to 15 mph ENE | 26% |
| Monday Night | 60°F | Slight Chance Showers And Thunderstorms | 10 to 14 mph NE | 21% |
Forecast source: National Weather Service (api.weather.gov) for Wetonka (45.624, -98.772). Updated through the day.
Growing snapshot for Wetonka
Last spring frost
May 9
First fall frost
Sep 28
Growing season
141 days
Hardiness zone
4b
More local growing data for Wetonka: nearby ZIP 57481 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Aberdeen
Bath
Bath Corner
Claremont
Columbia
Ferney
Frederick
Grassland Colony
Groton
Hecla
Hutterville Colony
Mansfield
Mina
Prairiewood Village
Stratford
Warner
Westport
Climate data from the nearest NOAA station, Leola, Sd (13.2 mi from Wetonka). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.