Selby, SD Weather & Growing Conditions
Today
66°F
Patchy Fog then Cloudy
Patchy fog and a slight chance of drizzle before 11am. Cloudy, with a high near 66. Northeast wind around 13 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Patchy Fog then Cloudy | 13 mph NE | 10% |
| Tonight | 52°F | Cloudy then Chance Rain Showers | 9 to 14 mph ENE | 26% |
| Sunday | 62°F | Chance Rain Showers | 16 mph ENE | 43% |
| Sunday Night | 48°F | Chance Rain Showers | 9 to 14 mph E | 47% |
| Monday | 65°F | Chance Rain Showers then Partly Sunny | 12 mph ESE | 31% |
| Monday Night | 46°F | Partly Cloudy | 13 mph SE | 8% |
| Tuesday | 67°F | Mostly Sunny | 13 to 21 mph SE | 2% |
| Tuesday Night | 50°F | Mostly Cloudy | 22 mph SE | 11% |
| Wednesday | 71°F | Partly Sunny then Slight Chance Rain Showers | 23 mph SE | 15% |
| Wednesday Night | 52°F | Chance Showers And Thunderstorms | 14 to 21 mph SE | 32% |
| Thursday | 73°F | Slight Chance Rain Showers | 14 mph SE | 24% |
| Thursday Night | 54°F | Slight Chance Rain Showers then Partly Cloudy | 14 mph SE | 16% |
| Friday | 75°F | Partly Sunny | 14 to 21 mph SE | 7% |
| Friday Night | 55°F | Mostly Cloudy | 22 mph SE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Selby, SD
Last spring frost
May 8
First fall frost
Oct 1
Growing season
145 days
Hardiness zone
4b
Explore more for Selby, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Selby, Sd (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.