Harrold, SD Weather & Growing Conditions
Tonight
56°F
Slight Chance Rain Showers then Cloudy
A slight chance of rain showers before 7pm, then patchy fog between 7pm and 8pm. Cloudy, with a low around 56. Northeast wind 10 to 14 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 |
|---|---|---|---|---|
| Tonight | 56°F | Slight Chance Rain Showers then Cloudy | 10 to 14 mph NE | 16% |
| Sunday | 61°F | Patchy Fog then Rain Showers | 14 to 17 mph ENE | 76% |
| Sunday Night | 51°F | Rain Showers | 14 mph ENE | 76% |
| Monday | 60°F | Chance Rain Showers | 13 mph E | 43% |
| Monday Night | 45°F | Mostly Cloudy | 10 mph ESE | 10% |
| Tuesday | 64°F | Mostly Sunny | 12 to 18 mph SE | 2% |
| Tuesday Night | 50°F | Partly Cloudy | 16 to 23 mph SE | 9% |
| Wednesday | 67°F | Partly Sunny | 24 mph SSE | 14% |
| Wednesday Night | 54°F | Showers And Thunderstorms Likely | 23 mph SSE | 58% |
| Thursday | 73°F | Chance Showers And Thunderstorms then Partly Sunny | 9 to 20 mph SE | 41% |
| Thursday Night | 55°F | Partly Cloudy | 10 mph ESE | 10% |
| Friday | 74°F | Partly Sunny | 12 to 17 mph SE | 9% |
| Friday Night | 58°F | Mostly Cloudy then Chance Rain Showers | 17 to 22 mph SE | 28% |
| Saturday | 74°F | Chance Rain Showers | 20 to 23 mph SSE | 32% |
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 Sep 20, 2026.