Smithwick, SD Weather & Growing Conditions
This Afternoon
53°F
Partly Sunny
Partly sunny. High near 53, with temperatures falling to around 50 in the afternoon. Northwest wind 3 to 8 mph, with gusts as high as 16 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 53°F | Partly Sunny | 3 to 8 mph NW | 0% |
| Tonight | 32°F | Mostly Cloudy | 3 to 7 mph N | 0% |
| Thursday | 54°F | Mostly Sunny | 3 to 7 mph S | 0% |
| Thursday Night | 31°F | Partly Cloudy | 3 to 8 mph S | 0% |
| Friday | 55°F | Mostly Sunny | 5 to 13 mph W | 0% |
| Friday Night | 33°F | Mostly Clear | 3 to 14 mph NW | 0% |
| Saturday | 60°F | Sunny | 8 to 16 mph W | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 to 12 mph SW | 0% |
| Sunday | 65°F | Sunny | 10 to 15 mph SW | 0% |
| Sunday Night | 39°F | Mostly Clear | 9 to 13 mph SW | 0% |
| Monday | 61°F | Sunny | 7 to 10 mph NW | 0% |
| Monday Night | 37°F | Partly Cloudy | 7 mph SE | 0% |
| Tuesday | 62°F | Mostly Sunny | 7 to 12 mph SW | 0% |
| Tuesday Night | 38°F | Partly Cloudy | 6 to 10 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Smithwick, SD
Last spring frost
May 15
First fall frost
Sep 30
Growing season
137 days
Hardiness zone
5a
Explore more for Smithwick, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Oelrichs, Sd (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.