Bath, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bath, a community in Brown County, South Dakota.
Today
75°F
Mostly Sunny
Mostly sunny, with a high near 75. West northwest wind 7 to 10 mph.
7-day forecast for Bath
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 7 to 10 mph WNW | 0% |
| Tonight | 52°F | Mostly Clear | 7 mph SSW | 0% |
| Wednesday | 82°F | Mostly Sunny | 6 to 9 mph SSW | 1% |
| Wednesday Night | 59°F | Partly Cloudy | 7 to 12 mph SSW | 2% |
| Thursday | 86°F | Sunny | 8 to 14 mph SSW | 8% |
| Thursday Night | 62°F | Mostly Clear | 9 mph S | 8% |
| Friday | 87°F | Sunny | 10 mph SW | 3% |
| Friday Night | 61°F | Mostly Clear | 5 to 9 mph ENE | 2% |
| Saturday | 86°F | Sunny | 6 to 14 mph E | 6% |
| Saturday Night | 61°F | Mostly Clear | 9 to 13 mph ENE | 10% |
| Sunday | 83°F | Mostly Sunny | 8 to 13 mph NE | 6% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph ENE | 26% |
| Monday | 82°F | Chance Showers And Thunderstorms then Partly Sunny | 8 to 14 mph NE | 26% |
| Monday Night | 61°F | Slight Chance Showers And Thunderstorms | 9 to 14 mph NE | 19% |
Forecast source: National Weather Service (api.weather.gov) for Bath (45.469, -98.324). Updated through the day.
Growing snapshot for Bath
Last spring frost
May 9
First fall frost
Sep 26
Growing season
139 days
Hardiness zone
4a
More local growing data for Bath: nearby ZIP 57427 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Aberdeen
Bath Corner
Claremont
Columbia
Ferney
Frederick
Grassland Colony
Groton
Hecla
Hutterville Colony
Mansfield
Mina
Prairiewood Village
Stratford
Warner
Westport
Wetonka
Climate data from the nearest NOAA station, Aberdeen, Sd (4.9 mi from Bath). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.