Harrold, SD Weather & Growing Conditions
Today
46°F
Patchy Fog then Mostly Cloudy
Patchy fog and a slight chance of rain before 9am. Mostly cloudy, with a high near 46. Northwest wind 17 to 23 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 46°F | Patchy Fog then Mostly Cloudy | 17 to 23 mph NW | 20% |
| Tonight | 32°F | Mostly Cloudy then Patchy Fog | 13 to 16 mph NNW | 1% |
| Thursday | 46°F | Patchy Fog then Mostly Sunny | 7 to 13 mph N | 0% |
| Thursday Night | 26°F | Partly Cloudy | 8 mph E | 0% |
| Friday | 46°F | Mostly Sunny | 6 to 9 mph SSE | 0% |
| Friday Night | 30°F | Partly Cloudy | 8 mph S | 0% |
| Saturday | 56°F | Sunny | 7 to 14 mph WSW | 0% |
| Saturday Night | 34°F | Mostly Clear | 9 mph W | 0% |
| Sunday | 58°F | Sunny | 7 to 12 mph SSW | 0% |
| Sunday Night | 39°F | Mostly Clear | 13 mph SW | 0% |
| Monday | 60°F | Sunny | 9 to 15 mph NW | 0% |
| Monday Night | 36°F | Mostly Clear | 8 mph NW | 0% |
| Tuesday | 57°F | Mostly Sunny | 7 to 10 mph SSW | 1% |
| Tuesday Night | 38°F | Partly Cloudy | 9 mph SSE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrold, SD
Last spring frost
May 12
First fall frost
Oct 1
Growing season
142 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, Highmore 1 W, Sd (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.