Gregory, SD Weather & Growing Conditions
Today
70°F
Slight Chance Rain Showers then Patchy Smoke
A slight chance of rain showers between 7am and 8am, then patchy smoke and a slight chance of rain showers between 8am and 1pm. Partly sunny, with a high near 70. North northwest wind 10 to 15 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Slight Chance Rain Showers then Patchy Smoke | 10 to 15 mph NNW | 17% |
| Tonight | 54°F | Partly Cloudy | 5 mph W | 3% |
| Wednesday | 78°F | Mostly Sunny | 5 to 15 mph SSW | 2% |
| Wednesday Night | 59°F | Mostly Clear | 10 to 15 mph S | 1% |
| Thursday | 87°F | Sunny | 15 to 20 mph S | 6% |
| Thursday Night | 66°F | Mostly Clear | 15 mph S | 6% |
| Friday | 92°F | Sunny | 10 to 15 mph S | 3% |
| Friday Night | 66°F | Mostly Clear | 10 to 15 mph SSE | 6% |
| Saturday | 95°F | Sunny | 10 to 25 mph S | 3% |
| Saturday Night | 67°F | Mostly Clear | 10 to 20 mph SSE | 6% |
| Sunday | 91°F | Mostly Sunny | 10 to 20 mph ESE | 3% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 15 to 20 mph E | 23% |
| Monday | 90°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 15 to 20 mph ENE | 23% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms | 15 to 20 mph ENE | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gregory, SD
Last spring frost
May 6
First fall frost
Oct 3
Growing season
149 days
Hardiness zone
5a
Explore more for Gregory, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Gregory, Sd (8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.