Bath, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bath, a community in Brown County, South Dakota.
Today
67°F
Patchy Fog then Cloudy
Patchy fog before 11am. Cloudy, with a high near 67. Northeast wind around 12 mph, with gusts as high as 22 mph.
7-day forecast for Bath
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Patchy Fog then Cloudy | 12 mph NE | 2% |
| Tonight | 52°F | Mostly Cloudy | 7 to 12 mph NE | 6% |
| Sunday | 67°F | Mostly Cloudy | 13 mph NE | 8% |
| Sunday Night | 49°F | Mostly Cloudy | 5 to 10 mph ENE | 12% |
| Monday | 68°F | Partly Sunny | 8 mph E | 12% |
| Monday Night | 44°F | Partly Cloudy | 7 mph SE | 7% |
| Tuesday | 69°F | Mostly Sunny | 5 to 14 mph SSE | 2% |
| Tuesday Night | 48°F | Partly Cloudy | 12 mph SSE | 4% |
| Wednesday | 71°F | Partly Sunny then Slight Chance Rain Showers | 13 to 17 mph SSE | 15% |
| Wednesday Night | 52°F | Chance Rain Showers | 10 to 14 mph SSE | 29% |
| Thursday | 73°F | Chance Rain Showers then Partly Sunny | 12 mph SSE | 29% |
| Thursday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 9 mph SSE | 20% |
| Friday | 75°F | Slight Chance Rain Showers then Partly Sunny | 9 to 15 mph SSE | 20% |
| Friday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 14 mph SSE | 18% |
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 Sep 19, 2026.