Frankfort, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Frankfort, a city in Spink County, South Dakota.
Today
75°F
Patchy Smoke then Mostly Sunny
Patchy smoke before 9am. Mostly sunny, with a high near 75. Northwest wind 7 to 12 mph.
7-day forecast for Frankfort
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Patchy Smoke then Mostly Sunny | 7 to 12 mph NW | 1% |
| Tonight | 52°F | Mostly Clear | 7 mph SSW | 0% |
| Wednesday | 82°F | Sunny | 7 to 13 mph SSW | 0% |
| Wednesday Night | 59°F | Partly Cloudy | 13 mph SSW | 4% |
| Thursday | 88°F | Sunny | 12 to 17 mph S | 5% |
| Thursday Night | 62°F | Mostly Clear | 14 mph S | 8% |
| Friday | 90°F | Sunny | 12 mph S | 3% |
| Friday Night | 62°F | Mostly Clear | 10 mph E | 5% |
| Saturday | 90°F | Sunny | 8 to 17 mph SE | 6% |
| Saturday Night | 63°F | Slight Chance Showers And Thunderstorms | 12 to 16 mph E | 15% |
| Sunday | 88°F | Mostly Sunny | 10 to 16 mph ENE | 6% |
| Sunday Night | 64°F | Slight Chance Showers And Thunderstorms | 10 to 16 mph E | 23% |
| Monday | 85°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 10 to 16 mph ENE | 23% |
| Monday Night | 62°F | Slight Chance Showers And Thunderstorms | 10 to 16 mph NE | 16% |
Forecast source: National Weather Service (api.weather.gov) for Frankfort (44.878, -98.309). Updated through the day.
Growing snapshot for Frankfort
Last spring frost
May 8
First fall frost
Oct 1
Growing season
145 days
Hardiness zone
4b
More local growing data for Frankfort: nearby ZIP 57440 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Ashton
Brentford
Camrose Colony
Chelsea
Clark Colony
Conde
Doland
Glendale Colony
Hillside Colony
Mellette
Northville
Redfield
Spink Colony
Tulare
Turton
Verdon
Climate data from the nearest NOAA station, Redfield, Sd (13.2 mi from Frankfort). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.