Hayti, SD Weather & Growing Conditions
Overnight
57°F
Areas Of Fog
Areas of fog and a slight chance of drizzle. Cloudy, with a low around 57. Northeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Areas Of Fog | 7 mph NE | 10% |
| Saturday | 64°F | Areas Of Fog | 7 to 13 mph NE | 11% |
| Saturday Night | 51°F | Mostly Cloudy | 7 to 13 mph NE | 8% |
| Sunday | 65°F | Mostly Cloudy | 12 to 15 mph NE | 6% |
| Sunday Night | 48°F | Mostly Cloudy then Slight Chance Rain Showers | 8 to 14 mph ENE | 16% |
| Monday | 64°F | Slight Chance Rain Showers | 10 mph E | 17% |
| Monday Night | 44°F | Partly Cloudy | 5 to 9 mph ESE | 5% |
| Tuesday | 66°F | Mostly Sunny | 5 to 13 mph SE | 3% |
| Tuesday Night | 46°F | Partly Cloudy | 10 mph SE | 2% |
| Wednesday | 68°F | Mostly Sunny | 10 to 15 mph SSE | 9% |
| Wednesday Night | 50°F | Chance Rain Showers | 12 mph SSE | 29% |
| Thursday | 70°F | Chance Rain Showers | 10 to 14 mph SSE | 29% |
| Thursday Night | 53°F | Mostly Cloudy | 9 mph SSE | 14% |
| Friday | 72°F | Partly Sunny | 7 to 15 mph SSE | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hayti, SD
Last spring frost
May 6
First fall frost
Oct 1
Growing season
145 days
Hardiness zone
4b
Explore more for Hayti, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Castlewood #2, Sd (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.