Rockham, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockham, a town in Hand County, South Dakota.
This Afternoon
54°F
Mostly Cloudy
Mostly cloudy. High near 54, with temperatures falling to around 51 in the afternoon. North northwest wind around 24 mph, with gusts as high as 37 mph.
7-day forecast for Rockham
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Mostly Cloudy | 24 mph NNW | 0% |
| Tonight | 30°F | Mostly Cloudy | 12 to 23 mph NNW | 0% |
| Thursday | 42°F | Mostly Cloudy | 8 to 15 mph N | 0% |
| Thursday Night | 23°F | Mostly Cloudy | 2 to 6 mph E | 0% |
| Friday | 44°F | Mostly Sunny | 2 to 9 mph SSE | 0% |
| Friday Night | 24°F | Partly Cloudy | 7 mph S | 0% |
| Saturday | 58°F | Mostly Sunny | 5 to 12 mph SW | 0% |
| Saturday Night | 30°F | Mostly Clear | 5 to 8 mph W | 0% |
| Sunday | 59°F | Sunny | 5 to 10 mph SW | 0% |
| Sunday Night | 35°F | Mostly Clear | 9 mph SSW | 0% |
| Monday | 62°F | Sunny | 7 to 14 mph WNW | 0% |
| Monday Night | 31°F | Partly Cloudy | 7 mph NW | 0% |
| Tuesday | 55°F | Mostly Sunny | 7 mph SW | 1% |
| Tuesday Night | 33°F | Partly Cloudy | 5 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Rockham (44.904, -98.823). Updated through the day.
Growing snapshot for Rockham
Last spring frost
May 10
First fall frost
Sep 28
Growing season
139 days
Hardiness zone
4b
More local growing data for Rockham: nearby ZIP 57470 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Faulkton 1 Nw, Sd (15.8 mi from Rockham). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.