Brentford, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brentford, a town in Spink County, South Dakota.
Today
75°F
Mostly Sunny
Mostly sunny, with a high near 75. Northwest wind around 9 mph.
7-day forecast for Brentford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 9 mph NW | 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 | 87°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) 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 Aug 4, 2026.