Carthage, SD Weather & Growing Conditions
Today
67°F
Patchy Drizzle then Cloudy
Patchy drizzle and patchy fog before 9am. Cloudy, with a high near 67. North northeast wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Patchy Drizzle then Cloudy | 5 to 10 mph NNE | 9% |
| Tonight | 53°F | Mostly Cloudy | 5 to 10 mph NE | 6% |
| Sunday | 66°F | Mostly Cloudy | 10 to 15 mph NE | 11% |
| Sunday Night | 50°F | Chance Rain Showers | 10 mph ENE | 49% |
| Monday | 63°F | Chance Rain Showers | 10 mph E | 49% |
| Monday Night | 45°F | Mostly Cloudy | 5 to 10 mph E | 12% |
| Tuesday | 66°F | Partly Sunny | 5 to 15 mph SE | 2% |
| Tuesday Night | 46°F | Partly Cloudy | 10 to 15 mph SE | 2% |
| Wednesday | 68°F | Partly Sunny | 15 mph SSE | 10% |
| Wednesday Night | 51°F | Chance Rain Showers | 10 to 15 mph SSE | 33% |
| Thursday | 70°F | Chance Rain Showers | 10 to 15 mph SSE | 33% |
| Thursday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph SE | 16% |
| Friday | 72°F | Slight Chance Rain Showers then Partly Sunny | 10 to 15 mph SE | 16% |
| Friday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph SE | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Carthage, SD
Last spring frost
May 5
First fall frost
Oct 2
Growing season
149 days
Hardiness zone
4b
Explore more for Carthage, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Howard, Sd (14.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.