Harrold, SD Weather & Growing Conditions
Today
71°F
Patchy Smoke then Mostly Sunny
Patchy smoke before noon. Mostly sunny, with a high near 71. Northwest wind 8 to 13 mph, with gusts as high as 21 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 | 6 to 10 mph SSW | 0% |
| Wednesday | 80°F | Mostly Sunny | 9 to 14 mph SSW | 0% |
| Wednesday Night | 60°F | Partly Cloudy | 12 to 17 mph S | 3% |
| Thursday | 87°F | Sunny | 12 to 15 mph SSW | 5% |
| Thursday Night | 64°F | Mostly Clear | 10 to 14 mph S | 5% |
| Friday | 89°F | Sunny | 13 mph WSW | 2% |
| Friday Night | 64°F | Mostly Clear | 10 to 14 mph ESE | 4% |
| Saturday | 91°F | Sunny | 14 to 18 mph ESE | 4% |
| Saturday Night | 64°F | Mostly Clear | 16 mph ESE | 8% |
| Sunday | 88°F | Mostly Sunny | 15 to 18 mph E | 4% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 17 mph E | 32% |
| Monday | 86°F | Chance Showers And Thunderstorms then Partly Sunny | 18 mph ENE | 32% |
| Monday Night | 63°F | Slight Chance Showers And Thunderstorms | 18 mph ENE | 20% |
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 Aug 4, 2026.