Rockham, SD Weather & Growing Conditions
Today
76°F
Patchy Smoke then Mostly Sunny
Patchy smoke between 8am and 10am. Mostly sunny, with a high near 76. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Patchy Smoke then Mostly Sunny | 8 to 13 mph NW | 1% |
| Tonight | 54°F | Mostly Clear | 5 to 8 mph WSW | 0% |
| Wednesday | 83°F | Sunny | 7 to 14 mph SW | 0% |
| Wednesday Night | 60°F | Partly Cloudy | 9 to 14 mph SSW | 4% |
| Thursday | 88°F | Sunny | 15 mph SSW | 6% |
| Thursday Night | 62°F | Mostly Clear | 9 to 13 mph SSW | 10% |
| Friday | 90°F | Sunny | 8 to 13 mph SW | 3% |
| Friday Night | 61°F | Mostly Clear | 8 to 13 mph ESE | 4% |
| Saturday | 91°F | Sunny | 8 to 18 mph ESE | 5% |
| Saturday Night | 61°F | Mostly Clear | 10 to 16 mph ENE | 11% |
| Sunday | 88°F | Mostly Sunny | 10 to 17 mph NE | 5% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms | 10 to 17 mph ENE | 25% |
| Monday | 85°F | Chance Showers And Thunderstorms then Partly Sunny | 10 to 18 mph NE | 25% |
| Monday Night | 61°F | Slight Chance Showers And Thunderstorms | 12 to 18 mph NE | 19% |
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 Aug 4, 2026.