Brentford, SD Weather & Growing Conditions
Today
75°F
Mostly Sunny
Mostly sunny, with a high near 75. West northwest wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 9 mph WNW | 0% |
| Tonight | 52°F | Mostly Clear | 7 mph SSW | 0% |
| Wednesday | 82°F | Sunny | 6 to 12 mph SSW | 1% |
| Wednesday Night | 59°F | Partly Cloudy | 8 to 12 mph SSW | 3% |
| Thursday | 86°F | Sunny | 10 to 14 mph SSW | 8% |
| Thursday Night | 62°F | Mostly Clear | 10 mph S | 8% |
| Friday | 88°F | Sunny | 10 mph SW | 2% |
| Friday Night | 61°F | Mostly Clear | 8 mph E | 4% |
| Saturday | 87°F | Sunny | 8 to 15 mph ESE | 7% |
| Saturday Night | 62°F | Mostly Clear | 13 mph ENE | 12% |
| Sunday | 85°F | Mostly Sunny | 9 to 14 mph ENE | 6% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms | 9 to 13 mph ENE | 25% |
| Monday | 83°F | Chance Showers And Thunderstorms then Partly Sunny | 9 to 15 mph NE | 25% |
| Monday Night | 61°F | Slight Chance Showers And Thunderstorms | 10 to 14 mph NE | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brentford, SD
Last spring frost
May 6
First fall frost
Sep 29
Growing season
144 days
Hardiness zone
4a
Explore more for Brentford, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Conde, Sd (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.