Gregory, SD Weather & Growing Conditions
This Afternoon
45°F
Cloudy
Cloudy. High near 45, with temperatures falling to around 40 in the afternoon. North northwest wind around 20 mph, with gusts as high as 30 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 45°F | Cloudy | 20 mph NNW | 7% |
| Tonight | 34°F | Cloudy | 15 to 20 mph NW | 7% |
| Wednesday | 45°F | Slight Chance Rain Showers | 20 to 25 mph NW | 24% |
| Wednesday Night | 34°F | Mostly Cloudy | 15 to 20 mph NW | 5% |
| Thursday | 48°F | Partly Sunny | 10 to 15 mph NNW | 2% |
| Thursday Night | 28°F | Partly Cloudy | 5 mph E | 0% |
| Friday | 50°F | Mostly Sunny | 5 to 10 mph S | 0% |
| Friday Night | 31°F | Partly Cloudy | 5 to 10 mph SSW | 0% |
| Saturday | 60°F | Sunny | 10 to 15 mph W | 5% |
| Saturday Night | 35°F | Mostly Clear | 10 mph W | 3% |
| Sunday | 63°F | Sunny | 10 mph SSW | 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 to 10 mph W | 0% |
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 Nov 4, 2026.