Westwood Colony, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westwood Colony, a community in Marshall County, South Dakota.
This Afternoon
68°F
Cloudy
Cloudy. High near 68, with temperatures falling to around 65 in the afternoon. Northeast wind around 9 mph.
7-day forecast for Westwood Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Cloudy | 9 mph NE | 2% |
| Tonight | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 6 to 10 mph NE | 17% |
| Sunday | 64°F | Slight Chance Rain Showers then Cloudy | 10 to 14 mph NE | 22% |
| Sunday Night | 46°F | Cloudy | 6 to 9 mph E | 12% |
| Monday | 65°F | Partly Sunny | 6 to 9 mph E | 7% |
| Monday Night | 41°F | Partly Cloudy | 3 to 7 mph SE | 2% |
| Tuesday | 68°F | Mostly Sunny | 3 to 14 mph SE | 1% |
| Tuesday Night | 46°F | Mostly Clear | 13 mph SE | 0% |
| Wednesday | 70°F | Mostly Sunny | 10 to 18 mph SSE | 7% |
| Wednesday Night | 52°F | Showers And Thunderstorms Likely | 10 to 15 mph SSE | 60% |
| Thursday | 72°F | Showers And Thunderstorms Likely | 9 to 13 mph SSE | 60% |
| Thursday Night | 53°F | Mostly Cloudy | 8 mph SSE | 9% |
| Friday | 75°F | Partly Sunny | 6 to 12 mph SSE | 9% |
| Friday Night | 57°F | Partly Cloudy then Slight Chance Rain Showers | 13 mph SSE | 18% |
Forecast source: National Weather Service (api.weather.gov) for Westwood Colony (45.893, -97.781). Updated through the day.
Growing snapshot for Westwood Colony
Last spring frost
May 13
First fall frost
Sep 26
Growing season
135 days
Hardiness zone
4a
More local growing data for Westwood Colony: nearby ZIP 57430 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Britton, Sd (3.5 mi from Westwood Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.