Harrisburg, SD Weather & Growing Conditions
This Afternoon
53°F
Rain Showers
Rain showers. Cloudy. High near 53, with temperatures falling to around 47 in the afternoon. North northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 53°F | Rain Showers | 20 mph NNW | 99% |
| Tonight | 39°F | Rain Showers | 15 to 20 mph NNW | 100% |
| Wednesday | 46°F | Rain Showers | 15 to 20 mph NW | 86% |
| Wednesday Night | 37°F | Rain Showers Likely | 10 to 15 mph NW | 60% |
| Thursday | 47°F | Mostly Cloudy | 10 to 15 mph NNW | 11% |
| Thursday Night | 32°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 47°F | Partly Sunny | 0 to 5 mph ESE | 0% |
| Friday Night | 31°F | Mostly Cloudy | 0 mph | 1% |
| Saturday | 55°F | Mostly Sunny | 0 to 10 mph WSW | 2% |
| Saturday Night | 35°F | Mostly Clear | 5 mph W | 4% |
| Sunday | 58°F | Sunny | 5 to 10 mph WSW | 2% |
| Sunday Night | 38°F | Mostly Clear | 5 mph S | 1% |
| Monday | 60°F | Sunny | 5 to 10 mph W | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrisburg, SD
Last spring frost
May 2
First fall frost
Oct 2
Growing season
151 days
Hardiness zone
5a
Explore more for Harrisburg, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Canton, Sd (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.