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
64°F
Areas Of Drizzle
Areas of drizzle and patchy fog. Cloudy, with a high near 64. East wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Westwood Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Areas Of Drizzle | 14 mph E | 27% |
| Tonight | 53°F | Areas Of Fog | 8 to 13 mph ENE | 21% |
| Saturday | 67°F | Areas Of Fog | 9 to 14 mph NE | 2% |
| Saturday Night | 51°F | Mostly Cloudy | 12 mph NE | 4% |
| Sunday | 66°F | Cloudy | 10 to 14 mph NE | 4% |
| Sunday Night | 48°F | Cloudy then Slight Chance Rain Showers | 6 to 9 mph E | 17% |
| Monday | 65°F | Slight Chance Rain Showers then Mostly Cloudy | 9 mph E | 17% |
| Monday Night | 45°F | Mostly Cloudy | 7 mph ESE | 1% |
| Tuesday | 67°F | Partly Sunny | 5 to 14 mph SE | 1% |
| Tuesday Night | 49°F | Partly Cloudy | 12 mph SSE | 9% |
| Wednesday | 69°F | Partly Sunny | 9 to 16 mph SSE | 12% |
| Wednesday Night | 52°F | Slight Chance Rain Showers | 8 to 12 mph SSE | 22% |
| Thursday | 72°F | Slight Chance Rain Showers then Partly Sunny | 9 mph S | 22% |
| Thursday Night | 53°F | Partly Cloudy | 7 mph SSE | 11% |
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.