Harrold, SD Weather & Growing Conditions
Today
71°F
Patchy Smoke then Mostly Sunny
Patchy smoke before 11am. Mostly sunny, with a high near 71. Northwest wind 8 to 13 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Smoke then Mostly Sunny | 8 to 13 mph NW | 3% |
| Tonight | 55°F | Partly Cloudy | 8 mph SW | 0% |
| Wednesday | 80°F | Mostly Sunny | 6 to 13 mph SSW | 0% |
| Wednesday Night | 60°F | Partly Cloudy | 10 to 14 mph S | 3% |
| Thursday | 87°F | Mostly Sunny | 13 mph S | 6% |
| Thursday Night | 64°F | Mostly Clear | 12 mph S | 4% |
| Friday | 90°F | Sunny | 12 mph WSW | 1% |
| Friday Night | 65°F | Mostly Clear | 9 to 13 mph ESE | 4% |
| Saturday | 92°F | Sunny | 12 to 18 mph ESE | 4% |
| Saturday Night | 64°F | Mostly Clear | 12 to 15 mph E | 8% |
| Sunday | 88°F | Mostly Sunny | 12 to 17 mph E | 4% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 16 mph E | 34% |
| Monday | 86°F | Chance Showers And Thunderstorms then Mostly Sunny | 17 mph ENE | 34% |
| Monday Night | 63°F | Slight Chance Showers And Thunderstorms | 16 mph ENE | 21% |
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 Aug 4, 2026.