Harman US

Selby, SD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Selby, a city in Walworth County, South Dakota.

This Afternoon
66°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy. High near 66, with temperatures falling to around 63 in the afternoon. East northeast wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Selby

WhenTempForecastWindPrecip
This Afternoon 66°F Slight Chance Rain Showers 10 mph ENE 19%
Tonight 57°F Cloudy then Chance Rain Showers 8 to 13 mph ENE 30%
Sunday 60°F Chance Rain Showers 16 mph ENE 48%
Sunday Night 49°F Chance Rain Showers 8 to 14 mph ENE 49%
Monday 63°F Slight Chance Rain Showers then Partly Sunny 8 to 12 mph E 19%
Monday Night 45°F Partly Cloudy 10 mph SE 6%
Tuesday 66°F Mostly Sunny 10 to 21 mph SE 0%
Tuesday Night 50°F Partly Cloudy 18 to 22 mph SE 3%
Wednesday 69°F Partly Sunny then Slight Chance Rain Showers 25 mph SE 17%
Wednesday Night 53°F Showers And Thunderstorms Likely 15 to 24 mph SE 60%
Thursday 74°F Chance Showers And Thunderstorms 13 mph SE 35%
Thursday Night 54°F Partly Cloudy 9 mph SE 9%
Friday 75°F Mostly Sunny 9 to 18 mph SE 7%
Friday Night 57°F Partly Cloudy then Slight Chance Rain Showers 18 to 22 mph SE 19%

Forecast source: National Weather Service (api.weather.gov) for Selby (45.506, -100.033). Updated through the day.

Growing snapshot for Selby

Last spring frost
May 8
First fall frost
Oct 1
Growing season
145 days
Hardiness zone
4b

More local growing data for Selby: nearby ZIP 57472 weather · frost dates · planting calendar · South Dakota frost dates

Nearby towns & communities

All South Dakota locations ›

Climate data from the nearest NOAA station, Selby, Sd (6.7 mi from Selby). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.