Brentford, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brentford, a town in Spink County, South Dakota.
Tonight
55°F
Areas Of Drizzle
Areas of drizzle and patchy fog. Cloudy, with a low around 55. Northeast wind 7 to 12 mph. Chance of precipitation is 40%.
7-day forecast for Brentford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Areas Of Drizzle | 7 to 12 mph NE | 35% |
| 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 | 26% |
| 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 18 mph SSE | 17% |
| Wednesday Night | 53°F | Chance Rain Showers | 13 mph SSE | 29% |
| Thursday | 71°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) for Brentford (45.159, -98.323). Updated through the day.
Growing snapshot for Brentford
Last spring frost
May 6
First fall frost
Sep 29
Growing season
144 days
Hardiness zone
4a
More local growing data for Brentford: nearby ZIP 57429 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Ashton
Camrose Colony
Chelsea
Clark Colony
Conde
Doland
Frankfort
Glendale Colony
Hillside Colony
Mellette
Northville
Redfield
Spink Colony
Tulare
Turton
Verdon
Climate data from the nearest NOAA station, Conde, Sd (9.7 mi from Brentford). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.