White Rock, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for White Rock, a town in Richland County, South Dakota.
Tonight
53°F
Patchy Drizzle
Patchy drizzle and patchy fog. Cloudy. Low around 53, with temperatures rising to around 56 overnight. East northeast wind 6 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for White Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Patchy Drizzle | 6 to 9 mph ENE | 21% |
| Saturday | 68°F | Patchy Fog | 7 to 10 mph NE | 5% |
| Saturday Night | 51°F | Mostly Cloudy | 5 to 8 mph NNE | 1% |
| Sunday | 68°F | Mostly Cloudy | 7 to 10 mph ENE | 1% |
| Sunday Night | 47°F | Mostly Cloudy | 7 mph E | 9% |
| Monday | 66°F | Partly Sunny | 7 mph E | 9% |
| Monday Night | 43°F | Partly Cloudy | 5 mph ESE | 2% |
| Tuesday | 68°F | Mostly Sunny | 5 to 12 mph SE | 1% |
| Tuesday Night | 45°F | Mostly Clear | 9 mph SSE | 4% |
| Wednesday | 69°F | Mostly Sunny | 8 to 15 mph SSE | 11% |
| Wednesday Night | 50°F | Chance Rain Showers | 10 mph SSE | 26% |
| Thursday | 71°F | Chance Rain Showers then Partly Sunny | 7 to 10 mph SSE | 26% |
| Thursday Night | 51°F | Partly Cloudy | 7 mph SE | 10% |
| Friday | 73°F | Mostly Sunny | 6 to 13 mph SSE | 10% |
Forecast source: National Weather Service (api.weather.gov) for White Rock (45.925, -96.576). Updated through the day.
Growing snapshot for White Rock
Last spring frost
May 4
First fall frost
Oct 3
Growing season
152 days
Hardiness zone
4a
More local growing data for White Rock: nearby ZIP 58030 weather · frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Victor 4 N, Sd (10.9 mi from White Rock). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.