Harrold, SD Weather & Growing Conditions
Overnight
34°F
Patchy Fog
Patchy fog before 5am, then patchy fog and a slight chance of rain. Cloudy, with a low around 34. North northwest wind around 17 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 34°F | Patchy Fog | 17 mph NNW | 15% |
| Wednesday | 48°F | Chance Light Rain then Mostly Cloudy | 15 to 20 mph NW | 25% |
| Wednesday Night | 33°F | Mostly Cloudy then Patchy Fog | 12 to 15 mph NNW | 1% |
| Thursday | 48°F | Patchy Fog then Mostly Sunny | 6 to 12 mph N | 0% |
| Thursday Night | 27°F | Partly Cloudy | 5 to 8 mph E | 0% |
| Friday | 47°F | Mostly Sunny | 8 mph SE | 0% |
| Friday Night | 30°F | Partly Cloudy | 7 mph SSE | 0% |
| Saturday | 57°F | Sunny | 6 to 13 mph WSW | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 to 8 mph W | 0% |
| Sunday | 59°F | Sunny | 5 to 10 mph SSW | 0% |
| Sunday Night | 39°F | Mostly Clear | 10 mph SW | 0% |
| Monday | 60°F | Sunny | 8 to 13 mph NW | 0% |
| Monday Night | 36°F | Mostly Clear | 7 mph NW | 0% |
| Tuesday | 58°F | Mostly Sunny | 5 to 9 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrold, SD
Last spring frost
May 17
First fall frost
Sep 24
Growing season
129 days
Hardiness zone
4b
Explore more for Harrold, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Harrold 12 Ssw, Sd (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.