Harrisburg, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrisburg, a city in Lincoln County, South Dakota.
Overnight
61°F
Patchy Smoke
Patchy smoke and showers and thunderstorms before 5am, then patchy smoke and a slight chance of rain showers. Mostly cloudy, with a low around 61. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Harrisburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Patchy Smoke | 15 mph N | 83% |
| Tuesday | 71°F | Patchy Smoke then Chance Rain Showers | 5 to 10 mph NNW | 35% |
| Tuesday Night | 53°F | Partly Cloudy | 0 to 5 mph NW | 3% |
| Wednesday | 76°F | Mostly Sunny | 0 to 5 mph SSE | 1% |
| Wednesday Night | 56°F | Mostly Clear | 5 mph S | 0% |
| Thursday | 82°F | Sunny | 5 to 15 mph S | 0% |
| Thursday Night | 64°F | Mostly Clear | 5 to 15 mph S | 4% |
| Friday | 86°F | Sunny | 5 to 15 mph S | 7% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 15% |
| Saturday | 88°F | Sunny | 5 to 20 mph S | 5% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 10 to 20 mph ESE | 20% |
| Sunday | 87°F | Mostly Sunny | 10 to 15 mph SE | 13% |
| Sunday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 15 mph E | 18% |
| Monday | 86°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 15 mph E | 18% |
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 Aug 4, 2026.