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.
This Afternoon
47°F
Chance Light Rain
A chance of rain. Cloudy. High near 47, with temperatures falling to around 44 in the afternoon. North northwest wind around 24 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for White Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 47°F | Chance Light Rain | 24 mph NNW | 51% |
| Tonight | 36°F | Light Rain | 16 to 21 mph NNW | 86% |
| Wednesday | 44°F | Light Rain | 20 to 23 mph NNW | 88% |
| Wednesday Night | 31°F | Chance Light Rain then Mostly Cloudy | 15 to 20 mph NNW | 26% |
| Thursday | 41°F | Partly Sunny | 9 to 16 mph NNW | 3% |
| Thursday Night | 27°F | Mostly Cloudy | 0 to 8 mph NE | 0% |
| Friday | 43°F | Partly Sunny | 0 to 3 mph S | 0% |
| Friday Night | 27°F | Partly Cloudy | 5 mph S | 0% |
| Saturday | 54°F | Mostly Sunny | 5 to 9 mph WSW | 4% |
| Saturday Night | 33°F | Partly Cloudy | 7 mph WNW | 5% |
| Sunday | 55°F | Mostly Sunny | 7 mph WSW | 2% |
| Sunday Night | 35°F | Partly Cloudy | 6 mph S | 0% |
| Monday | 57°F | Mostly Sunny | 7 to 15 mph W | 0% |
| Monday Night | 34°F | Mostly Clear | 5 to 8 mph WNW | 0% |
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 Nov 4, 2026.