Rockham, SD Weather & Growing Conditions
Tonight
36°F
Cloudy then Chance Light Rain
A chance of rain after midnight. Cloudy, with a low around 36. North northwest wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 36°F | Cloudy then Chance Light Rain | 15 to 20 mph NNW | 33% |
| Wednesday | 46°F | Chance Light Rain | 18 mph NNW | 42% |
| Wednesday Night | 31°F | Mostly Cloudy | 12 to 15 mph NNW | 11% |
| Thursday | 45°F | Mostly Sunny | 8 to 13 mph N | 0% |
| Thursday Night | 25°F | Mostly Cloudy | 2 to 7 mph E | 0% |
| Friday | 45°F | Partly Sunny | 2 to 6 mph S | 0% |
| Friday Night | 26°F | Partly Cloudy | 6 mph SSW | 0% |
| Saturday | 58°F | Mostly Sunny | 6 to 13 mph W | 3% |
| Saturday Night | 31°F | Mostly Clear | 9 mph W | 1% |
| Sunday | 58°F | Sunny | 7 to 10 mph SSW | 0% |
| Sunday Night | 35°F | Mostly Clear | 9 mph SW | 0% |
| Monday | 60°F | Sunny | 10 to 16 mph WNW | 0% |
| Monday Night | 33°F | Mostly Clear | 5 to 8 mph WNW | 0% |
| Tuesday | 56°F | Mostly Sunny | 5 to 9 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rockham, SD
Last spring frost
May 10
First fall frost
Sep 28
Growing season
139 days
Hardiness zone
4b
Explore more for Rockham, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Faulkton 1 Nw, Sd (15.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.