Richland, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Richland, a community in Union County, South Dakota.
Tonight
64°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 64, with temperatures rising to around 67 overnight. North northwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Richland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph NNW | 35% |
| Saturday | 71°F | Slight Chance Showers And Thunderstorms then Cloudy | 5 to 10 mph NNW | 21% |
| Saturday Night | 57°F | Cloudy | 10 mph NNE | 12% |
| Sunday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 48% |
| Sunday Night | 53°F | Rain Showers Likely | 5 to 10 mph ENE | 66% |
| Monday | 61°F | Showers And Thunderstorms Likely | 10 mph ENE | 66% |
| Monday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 37% |
| Tuesday | 64°F | Mostly Cloudy | 5 to 10 mph E | 4% |
| Tuesday Night | 48°F | Partly Cloudy | 5 mph ESE | 0% |
| Wednesday | 68°F | Partly Sunny | 5 to 10 mph SE | 11% |
| Wednesday Night | 52°F | Mostly Cloudy then Chance Rain Showers | 5 mph SE | 38% |
| Thursday | 68°F | Chance Rain Showers | 5 to 10 mph SSE | 38% |
| Thursday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 20% |
| Friday | 70°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph SE | 20% |
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.