Brentford, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brentford, a town in Spink County, South Dakota.
Tonight
36°F
Light Rain Likely
Rain likely. Cloudy. Low around 36, with temperatures rising to around 39 overnight. North northwest wind 14 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Brentford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 36°F | Light Rain Likely | 14 to 23 mph NNW | 59% |
| Wednesday | 45°F | Light Rain Likely | 16 to 20 mph NNW | 69% |
| Wednesday Night | 30°F | Mostly Cloudy | 12 to 15 mph NNW | 11% |
| Thursday | 42°F | Partly Sunny | 8 to 15 mph N | 1% |
| Thursday Night | 25°F | Mostly Cloudy | 2 to 7 mph ENE | 0% |
| Friday | 44°F | Partly Sunny | 2 to 6 mph SSE | 0% |
| Friday Night | 26°F | Partly Cloudy | 6 mph S | 0% |
| Saturday | 56°F | Mostly Sunny | 6 to 12 mph WSW | 3% |
| Saturday Night | 30°F | Mostly Clear | 8 mph W | 2% |
| Sunday | 56°F | Sunny | 6 to 9 mph SSW | 1% |
| Sunday Night | 34°F | Mostly Clear | 9 mph SSW | 0% |
| Monday | 58°F | Sunny | 8 to 15 mph WNW | 0% |
| Monday Night | 32°F | Mostly Clear | 5 to 8 mph W | 0% |
| Tuesday | 54°F | Mostly Sunny | 8 mph SW | 0% |
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 Nov 4, 2026.