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
45°F
Cloudy
Cloudy. High near 45, with temperatures falling to around 42 in the afternoon. North northwest wind 18 to 23 mph, with gusts as high as 46 mph.
7-day forecast for Tolstoy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 45°F | Cloudy | 18 to 23 mph NNW | 0% |
| Tonight | 31°F | Cloudy | 13 to 17 mph NNW | 4% |
| Wednesday | 45°F | Mostly Cloudy | 16 to 20 mph NNW | 6% |
| Wednesday Night | 30°F | Mostly Cloudy | 12 to 17 mph NNW | 1% |
| Thursday | 45°F | Mostly Sunny | 7 to 12 mph N | 0% |
| Thursday Night | 24°F | Partly Cloudy | 7 mph ESE | 0% |
| Friday | 45°F | Mostly Sunny | 8 mph S | 0% |
| Friday Night | 28°F | Partly Cloudy | 8 mph SW | 0% |
| Saturday | 56°F | Mostly Sunny | 8 to 15 mph W | 4% |
| Saturday Night | 32°F | Mostly Clear | 8 to 12 mph W | 1% |
| Sunday | 58°F | Sunny | 8 to 12 mph SSW | 0% |
| Sunday Night | 37°F | Mostly Clear | 13 mph SW | 0% |
| Monday | 57°F | Sunny | 12 to 17 mph NW | 0% |
| Monday Night | 34°F | Partly Cloudy | 9 mph WNW | 0% |
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 Nov 3, 2026.