Selby, SD Weather & Growing Conditions
Today
75°F
Patchy Smoke then Mostly Sunny
Patchy smoke before 9am. Mostly sunny, with a high near 75. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Patchy Smoke then Mostly Sunny | 6 to 13 mph NW | 0% |
| Tonight | 54°F | Mostly Clear | 5 to 9 mph S | 0% |
| Wednesday | 83°F | Mostly Sunny | 6 to 12 mph SW | 0% |
| Wednesday Night | 59°F | Partly Cloudy | 8 to 13 mph SSW | 2% |
| Thursday | 89°F | Sunny | 12 mph WSW | 1% |
| Thursday Night | 61°F | Mostly Clear | 10 mph E | 1% |
| Friday | 90°F | Sunny | 9 to 13 mph W | 1% |
| Friday Night | 63°F | Mostly Clear | 10 to 14 mph E | 1% |
| Saturday | 92°F | Mostly Sunny | 14 to 17 mph E | 1% |
| Saturday Night | 61°F | Mostly Clear | 15 mph ENE | 5% |
| Sunday | 89°F | Mostly Sunny | 13 to 17 mph ENE | 8% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 16 mph E | 31% |
| Monday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 18 mph ENE | 28% |
| Monday Night | 62°F | Slight Chance Showers And Thunderstorms | 17 mph ENE | 26% |
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 Aug 4, 2026.