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
44°F
Light Rain Likely
Rain likely and patchy fog before 3pm. Cloudy, with a high near 44. North northwest wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Westwood Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 44°F | Light Rain Likely | 16 to 20 mph NNW | 63% |
| Tonight | 30°F | Mostly Cloudy | 15 mph NNW | 1% |
| Thursday | 39°F | Mostly Cloudy | 8 to 15 mph N | 0% |
| Thursday Night | 23°F | Mostly Cloudy | 1 to 7 mph E | 0% |
| Friday | 42°F | Mostly Sunny | 1 to 7 mph S | 0% |
| Friday Night | 26°F | Partly Cloudy | 7 mph SSW | 0% |
| Saturday | 53°F | Sunny | 8 to 14 mph SW | 1% |
| Saturday Night | 31°F | Mostly Clear | 6 to 9 mph WSW | 0% |
| Sunday | 54°F | Sunny | 6 to 10 mph SW | 0% |
| Sunday Night | 35°F | Partly Cloudy | 9 mph SW | 0% |
| Monday | 58°F | Mostly Sunny | 9 to 14 mph W | 0% |
| Monday Night | 32°F | Mostly Clear | 3 to 7 mph WNW | 0% |
| Tuesday | 53°F | Mostly Sunny | 3 to 7 mph WSW | 1% |
| Tuesday Night | 34°F | Partly Cloudy | 6 mph S | 2% |
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 Nov 4, 2026.