Brentford, SD Weather & Growing Conditions
Tonight
55°F
Areas Of Drizzle
Areas of drizzle and patchy fog. Cloudy, with a low around 55. Northeast wind around 9 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Areas Of Drizzle | 9 mph NE | 29% |
| Saturday | 68°F | Patchy Fog | 9 to 13 mph NNE | 3% |
| Saturday Night | 52°F | Mostly Cloudy | 7 to 12 mph NE | 11% |
| Sunday | 67°F | Mostly Cloudy then Chance Rain Showers | 9 to 13 mph ENE | 25% |
| Sunday Night | 50°F | Chance Rain Showers | 7 to 10 mph ENE | 49% |
| Monday | 64°F | Chance Rain Showers | 8 mph E | 49% |
| Monday Night | 47°F | Mostly Cloudy | 7 mph ESE | 7% |
| Tuesday | 67°F | Partly Sunny | 7 to 13 mph SE | 2% |
| Tuesday Night | 50°F | Partly Cloudy | 9 to 13 mph SSE | 12% |
| Wednesday | 69°F | Partly Sunny then Slight Chance Rain Showers | 13 to 17 mph SSE | 17% |
| Wednesday Night | 53°F | Chance Rain Showers | 13 mph SSE | 29% |
| Thursday | 72°F | Chance Rain Showers then Partly Sunny | 7 to 10 mph SSE | 29% |
| Thursday Night | 54°F | Partly Cloudy | 8 mph SSE | 13% |
| Friday | 73°F | Partly Sunny | 9 to 15 mph SE | 13% |
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 Sep 19, 2026.