Richland, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Richland, a community in Union County, South Dakota.
Today
70°F
Chance Rain Showers then Cloudy
A chance of rain showers before 9am. Cloudy. High near 70, with temperatures falling to around 67 in the afternoon. North wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Richland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Chance Rain Showers then Cloudy | 5 to 10 mph N | 26% |
| Tonight | 57°F | Cloudy | 10 mph NNE | 11% |
| Sunday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 29% |
| Sunday Night | 53°F | Rain Showers Likely | 5 to 10 mph ENE | 64% |
| Monday | 61°F | Rain Showers Likely | 10 mph ENE | 64% |
| Monday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 27% |
| Tuesday | 64°F | Partly Sunny | 5 to 10 mph E | 4% |
| Tuesday Night | 46°F | Partly Cloudy | 5 mph SE | 1% |
| Wednesday | 67°F | Mostly Sunny | 5 to 10 mph SE | 8% |
| Wednesday Night | 51°F | Chance Rain Showers | 5 to 10 mph SE | 30% |
| Thursday | 69°F | Chance Rain Showers | 5 to 10 mph SE | 30% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 5 mph SE | 19% |
| Friday | 71°F | Slight Chance Rain Showers | 5 to 10 mph SE | 19% |
| Friday Night | 55°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph SE | 26% |
Forecast source: National Weather Service (api.weather.gov) for Richland (42.763, -96.648). Updated through the day.
Growing snapshot for Richland
Last spring frost
May 3
First fall frost
Oct 3
Growing season
153 days
Hardiness zone
5a
More local growing data for Richland: nearby ZIP 57025 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Vermillion 2 Se, Sd (11.9 mi from Richland). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.