Gregory, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gregory, a city in Gregory County, South Dakota.
This Afternoon
44°F
Slight Chance Rain Showers
A slight chance of rain showers before 3pm. Cloudy, with a high near 44. North northwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
7-day forecast for Gregory
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 44°F | Slight Chance Rain Showers | 20 to 25 mph NNW | 15% |
| Tonight | 33°F | Cloudy | 15 to 20 mph NW | 5% |
| Wednesday | 45°F | Cloudy then Chance Rain Showers | 20 to 25 mph NW | 25% |
| Wednesday Night | 34°F | Mostly Cloudy | 15 mph NW | 8% |
| Thursday | 48°F | Mostly Sunny | 10 to 15 mph NNW | 2% |
| Thursday Night | 28°F | Partly Cloudy | 0 to 5 mph E | 0% |
| Friday | 50°F | Mostly Sunny | 5 mph S | 0% |
| Friday Night | 31°F | Partly Cloudy | 5 mph SSW | 0% |
| Saturday | 59°F | Sunny | 5 to 15 mph W | 4% |
| Saturday Night | 35°F | Mostly Clear | 5 to 10 mph W | 3% |
| Sunday | 62°F | Sunny | 10 mph SW | 0% |
| Sunday Night | 41°F | Mostly Clear | 10 to 15 mph SW | 0% |
| Monday | 61°F | Sunny | 10 to 20 mph NW | 0% |
| Monday Night | 37°F | Partly Cloudy | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Gregory (43.230, -99.421). Updated through the day.
Growing snapshot for Gregory
Last spring frost
May 6
First fall frost
Oct 3
Growing season
149 days
Hardiness zone
5a
More local growing data for Gregory: nearby ZIP 57533 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gregory, Sd (8 mi from Gregory). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.