Tolstoy, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tolstoy, a town in Potter County, South Dakota.
This Afternoon
63°F
Patchy Fog
Patchy fog. Cloudy, with a high near 63. East northeast wind around 13 mph.
7-day forecast for Tolstoy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Patchy Fog | 13 mph ENE | 8% |
| Tonight | 54°F | Areas Of Fog | 12 mph NE | 7% |
| Saturday | 65°F | Patchy Fog then Cloudy | 10 to 14 mph NE | 6% |
| Saturday Night | 52°F | Cloudy then Chance Rain Showers | 12 to 15 mph ENE | 35% |
| Sunday | 62°F | Chance Rain Showers | 16 mph ENE | 44% |
| Sunday Night | 50°F | Rain Showers Likely | 9 to 15 mph E | 73% |
| Monday | 62°F | Rain Showers Likely | 13 mph E | 72% |
| Monday Night | 47°F | Mostly Cloudy | 12 mph ESE | 9% |
| Tuesday | 65°F | Partly Sunny | 9 to 20 mph SE | 6% |
| Tuesday Night | 51°F | Mostly Cloudy then Slight Chance Rain Showers | 18 mph SE | 20% |
| Wednesday | 70°F | Slight Chance Rain Showers | 20 mph SSE | 21% |
| Wednesday Night | 53°F | Chance Rain Showers | 12 to 18 mph SE | 31% |
| Thursday | 71°F | Chance Rain Showers then Partly Sunny | 13 mph SE | 31% |
| Thursday Night | 54°F | Partly Cloudy | 13 mph ESE | 12% |
Forecast source: National Weather Service (api.weather.gov) for Tolstoy (45.208, -99.614). Updated through the day.
Growing snapshot for Tolstoy
Last spring frost
May 7
First fall frost
Oct 2
Growing season
147 days
Hardiness zone
4b
More local growing data for Tolstoy: nearby ZIP 57475 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gettysburg, Sd (20.9 mi from Tolstoy). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.