Harrold, SD Weather & Growing Conditions
Tonight
35°F
Cloudy then Patchy Fog
Patchy fog between 1am and 4am. Cloudy, with a low around 35. North northwest wind 13 to 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 35°F | Cloudy then Patchy Fog | 13 to 20 mph NNW | 6% |
| Wednesday | 47°F | Mostly Cloudy | 15 to 18 mph NW | 12% |
| Wednesday Night | 33°F | Mostly Cloudy then Patchy Fog | 12 to 15 mph NNW | 4% |
| Thursday | 49°F | Patchy Fog then Mostly Sunny | 7 to 12 mph N | 0% |
| Thursday Night | 28°F | Partly Cloudy | 7 mph E | 0% |
| Friday | 48°F | Mostly Sunny | 5 to 8 mph SSE | 0% |
| Friday Night | 30°F | Partly Cloudy | 6 mph SSW | 0% |
| Saturday | 59°F | Mostly Sunny | 6 to 13 mph W | 4% |
| Saturday Night | 34°F | Mostly Clear | 8 mph W | 2% |
| Sunday | 59°F | Sunny | 6 to 10 mph S | 0% |
| Sunday Night | 39°F | Mostly Clear | 10 mph SSW | 0% |
| Monday | 60°F | Sunny | 9 to 16 mph NW | 0% |
| Monday Night | 36°F | Partly Cloudy | 8 mph W | 1% |
| Tuesday | 57°F | Mostly Sunny | 7 to 10 mph SSE | 0% |
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.