Bath, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bath, a community in Brown County, South Dakota.
This Afternoon
49°F
Slight Chance Light Rain
A slight chance of rain before 4pm, then a slight chance of drizzle. Cloudy, with a high near 49. North northwest wind 16 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
7-day forecast for Bath
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 49°F | Slight Chance Light Rain | 16 to 24 mph NNW | 19% |
| Tonight | 35°F | Chance Light Rain | 16 mph NNW | 52% |
| Wednesday | 45°F | Light Rain Likely | 15 to 18 mph NNW | 58% |
| Wednesday Night | 30°F | Mostly Cloudy | 12 to 15 mph NNW | 6% |
| Thursday | 42°F | Partly Sunny | 8 to 14 mph N | 0% |
| Thursday Night | 25°F | Mostly Cloudy | 1 to 7 mph E | 0% |
| Friday | 43°F | Partly Sunny | 2 to 6 mph S | 0% |
| Friday Night | 26°F | Partly Cloudy | 6 mph SSW | 0% |
| Saturday | 53°F | Mostly Sunny | 6 to 12 mph WSW | 2% |
| Saturday Night | 30°F | Partly Cloudy | 5 to 8 mph W | 2% |
| Sunday | 54°F | Sunny | 6 to 9 mph SSW | 1% |
| Sunday Night | 34°F | Partly Cloudy | 7 mph SSW | 0% |
| Monday | 58°F | Sunny | 7 to 13 mph WNW | 1% |
| Monday Night | 32°F | Partly Cloudy | 6 mph W | 0% |
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 Nov 3, 2026.