Bath, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bath, a community in Brown County, South Dakota.
Tonight
55°F
Areas Of Drizzle
Areas of drizzle and patchy fog. Cloudy, with a low around 55. Northeast wind 6 to 9 mph. Chance of precipitation is 30%.
7-day forecast for Bath
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Areas Of Drizzle | 6 to 9 mph NE | 32% |
| Saturday | 67°F | Areas Of Fog | 9 to 13 mph NE | 3% |
| Saturday Night | 53°F | Mostly Cloudy | 7 to 12 mph NE | 10% |
| Sunday | 66°F | Cloudy then Slight Chance Rain Showers | 13 mph NE | 16% |
| Sunday Night | 50°F | Chance Rain Showers | 5 to 10 mph ENE | 42% |
| Monday | 64°F | Chance Rain Showers then Mostly Cloudy | 8 mph E | 42% |
| Monday Night | 47°F | Mostly Cloudy | 7 mph ESE | 4% |
| Tuesday | 67°F | Partly Sunny | 5 to 13 mph SE | 2% |
| Tuesday Night | 50°F | Mostly Cloudy | 12 mph SSE | 13% |
| Wednesday | 69°F | Partly Sunny then Slight Chance Rain Showers | 12 to 16 mph SSE | 16% |
| Wednesday Night | 53°F | Chance Rain Showers | 8 to 13 mph SSE | 27% |
| Thursday | 72°F | Chance Rain Showers then Partly Sunny | 7 to 10 mph SSE | 27% |
| Thursday Night | 54°F | Partly Cloudy | 7 mph SSE | 13% |
| Friday | 73°F | Partly Sunny | 7 to 14 mph SE | 13% |
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.