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.
Today
74°F
Sunny
Sunny, with a high near 74. West northwest wind around 13 mph, with gusts as high as 22 mph.
7-day forecast for Westwood Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Sunny | 13 mph WNW | 0% |
| Tonight | 51°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Wednesday | 81°F | Sunny | 7 to 12 mph SW | 0% |
| Wednesday Night | 59°F | Partly Cloudy | 7 to 16 mph SSW | 1% |
| Thursday | 85°F | Sunny | 12 to 16 mph SSW | 2% |
| Thursday Night | 61°F | Mostly Clear | 12 mph S | 4% |
| Friday | 86°F | Sunny | 9 to 13 mph WSW | 5% |
| Friday Night | 59°F | Mostly Clear | 6 to 10 mph E | 6% |
| Saturday | 84°F | Mostly Sunny | 6 to 13 mph E | 8% |
| Saturday Night | 59°F | Mostly Clear | 9 to 13 mph ENE | 14% |
| Sunday | 83°F | Mostly Sunny | 8 to 13 mph NE | 12% |
| Sunday Night | 61°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 12 mph ENE | 24% |
| Monday | 81°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 10 to 14 mph NE | 24% |
| Monday Night | 59°F | Slight Chance Rain Showers | 9 to 14 mph NE | 15% |
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 Aug 4, 2026.