Hosmer, SD Weather & Growing Conditions
Tonight
33°F
Cloudy then Patchy Fog
Patchy fog after 2am. Cloudy. Low around 33, with temperatures rising to around 37 overnight. North northwest wind around 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 33°F | Cloudy then Patchy Fog | 18 mph NNW | 9% |
| Wednesday | 46°F | Patchy Fog then Mostly Cloudy | 21 mph NNW | 3% |
| Wednesday Night | 30°F | Mostly Cloudy | 13 to 18 mph NNW | 0% |
| Thursday | 44°F | Mostly Sunny | 8 to 13 mph NNE | 0% |
| Thursday Night | 24°F | Partly Cloudy | 7 mph ESE | 0% |
| Friday | 44°F | Mostly Sunny | 6 to 9 mph S | 0% |
| Friday Night | 28°F | Partly Cloudy | 7 mph SW | 0% |
| Saturday | 55°F | Mostly Sunny | 8 to 17 mph W | 4% |
| Saturday Night | 31°F | Mostly Clear | 8 to 13 mph W | 1% |
| Sunday | 57°F | Sunny | 8 to 13 mph SW | 0% |
| Sunday Night | 36°F | Mostly Clear | 10 to 14 mph SW | 0% |
| Monday | 57°F | Sunny | 13 to 21 mph WNW | 0% |
| Monday Night | 33°F | Partly Cloudy | 7 to 10 mph WNW | 0% |
| Tuesday | 53°F | Mostly Sunny | 7 to 13 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hosmer, SD
Last spring frost
May 7
First fall frost
Oct 3
Growing season
148 days
Hardiness zone
4b
Explore more for Hosmer, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Roscoe, Sd (12 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.