Henry, SD Weather & Growing Conditions
Today
64°F
Patchy Fog
Patchy fog and a slight chance of drizzle. Mostly cloudy, with a high near 64. Northeast wind 8 to 13 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Patchy Fog | 8 to 13 mph NE | 6% |
| Tonight | 52°F | Patchy Fog then Mostly Cloudy | 8 to 13 mph NE | 8% |
| Sunday | 64°F | Mostly Cloudy | 12 to 15 mph NE | 8% |
| Sunday Night | 49°F | Cloudy then Slight Chance Rain Showers | 9 to 14 mph ENE | 17% |
| Monday | 64°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph E | 17% |
| Monday Night | 45°F | Partly Cloudy | 6 to 9 mph ESE | 6% |
| Tuesday | 66°F | Mostly Sunny | 6 to 14 mph SE | 3% |
| Tuesday Night | 47°F | Partly Cloudy | 12 mph SE | 2% |
| Wednesday | 68°F | Mostly Sunny | 10 to 16 mph SSE | 11% |
| Wednesday Night | 51°F | Chance Rain Showers | 13 mph SSE | 30% |
| Thursday | 70°F | Chance Rain Showers then Partly Sunny | 14 mph SSE | 30% |
| Thursday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 8 to 12 mph SSE | 16% |
| Friday | 72°F | Slight Chance Rain Showers then Partly Sunny | 10 to 15 mph SSE | 16% |
| Friday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 14 mph SSE | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Henry, SD
Last spring frost
May 7
First fall frost
Sep 30
Growing season
145 days
Hardiness zone
4b
Explore more for Henry, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Watertown Rgnl Ap, Sd (14.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.