Brentwood Colony, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brentwood Colony, a community in Faulk County, South Dakota.
Today
75°F
Patchy Smoke then Mostly Sunny
Patchy smoke before 10am. Mostly sunny, with a high near 75. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
7-day forecast for Brentwood Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Patchy Smoke then Mostly Sunny | 8 to 13 mph NW | 0% |
| Tonight | 54°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Wednesday | 82°F | Mostly Sunny | 8 to 15 mph WSW | 0% |
| Wednesday Night | 60°F | Partly Cloudy | 8 to 16 mph SSW | 3% |
| Thursday | 88°F | Sunny | 12 to 15 mph SW | 4% |
| Thursday Night | 62°F | Mostly Clear | 12 mph SW | 4% |
| Friday | 90°F | Sunny | 9 to 13 mph WSW | 3% |
| Friday Night | 61°F | Mostly Clear | 8 to 13 mph E | 2% |
| Saturday | 91°F | Mostly Sunny | 10 to 17 mph E | 3% |
| Saturday Night | 61°F | Mostly Clear | 10 to 16 mph ENE | 7% |
| Sunday | 87°F | Mostly Sunny | 10 to 17 mph NE | 3% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 12 to 17 mph ENE | 30% |
| Monday | 84°F | Chance Showers And Thunderstorms then Partly Sunny | 13 to 18 mph ENE | 30% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 13 to 17 mph NE | 25% |
Forecast source: National Weather Service (api.weather.gov) for Brentwood Colony (45.155, -99.302). Updated through the day.
Growing snapshot for Brentwood Colony
Last spring frost
May 7
First fall frost
Oct 3
Growing season
148 days
Hardiness zone
4b
More local growing data for Brentwood Colony: nearby ZIP 57466 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Roscoe, Sd (18.7 mi from Brentwood Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.