Harrisburg, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrisburg, a city in Lincoln County, South Dakota.
This Afternoon
73°F
Cloudy
Cloudy, with a high near 73. East northeast wind around 5 mph.
7-day forecast for Harrisburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Cloudy | 5 mph ENE | 10% |
| Tonight | 63°F | Mostly Cloudy then Patchy Fog | 5 mph NNE | 22% |
| Saturday | 68°F | Patchy Fog then Cloudy | 10 mph NNE | 23% |
| Saturday Night | 57°F | Mostly Cloudy | 10 mph NNE | 4% |
| Sunday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 24% |
| Sunday Night | 54°F | Rain Showers Likely | 10 to 15 mph ENE | 62% |
| Monday | 60°F | Rain Showers Likely | 10 mph ENE | 62% |
| Monday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 22% |
| Tuesday | 63°F | Partly Sunny | 5 to 10 mph E | 4% |
| Tuesday Night | 49°F | Partly Cloudy | 5 to 10 mph SE | 1% |
| Wednesday | 68°F | Partly Sunny | 5 to 10 mph SSE | 10% |
| Wednesday Night | 53°F | Chance Rain Showers | 5 to 10 mph SSE | 39% |
| Thursday | 68°F | Chance Rain Showers | 5 to 10 mph SSE | 39% |
| Thursday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 17% |
Forecast source: National Weather Service (api.weather.gov) for Harrisburg (43.434, -96.712). Updated through the day.
Growing snapshot for Harrisburg
Last spring frost
May 2
First fall frost
Oct 2
Growing season
151 days
Hardiness zone
5a
More local growing data for Harrisburg: nearby ZIP 57032 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Canton, Sd (9 mi from Harrisburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.