Hayti, SD Weather & Growing Conditions
This Afternoon
47°F
Light Rain Likely
Rain likely. Cloudy, with a high near 47. North northwest wind around 24 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 47°F | Light Rain Likely | 24 mph NNW | 65% |
| Tonight | 37°F | Light Rain | 15 to 23 mph NNW | 87% |
| Wednesday | 43°F | Light Rain | 20 mph NNW | 89% |
| Wednesday Night | 33°F | Chance Light Rain | 13 to 16 mph NNW | 42% |
| Thursday | 43°F | Patchy Fog then Partly Sunny | 12 to 15 mph N | 3% |
| Thursday Night | 29°F | Mostly Cloudy | 1 to 10 mph NE | 0% |
| Friday | 45°F | Partly Sunny | 1 to 6 mph SSE | 0% |
| Friday Night | 29°F | Partly Cloudy | 5 mph SSW | 0% |
| Saturday | 54°F | Mostly Sunny | 5 to 13 mph WSW | 3% |
| Saturday Night | 33°F | Mostly Clear | 6 to 9 mph W | 4% |
| Sunday | 56°F | Sunny | 6 to 10 mph WSW | 3% |
| Sunday Night | 37°F | Mostly Clear | 8 mph SSW | 0% |
| Monday | 58°F | Sunny | 8 to 15 mph W | 0% |
| Monday Night | 35°F | Mostly Clear | 5 to 9 mph WNW | 0% |
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 Nov 4, 2026.