Frankfort, SD Weather & Growing Conditions
This Afternoon
48°F
Slight Chance Light Rain
A slight chance of rain. Cloudy, with a high near 48. North northwest wind around 23 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Slight Chance Light Rain | 23 mph NNW | 23% |
| Tonight | 36°F | Light Rain Likely | 15 to 21 mph NNW | 68% |
| Wednesday | 45°F | Light Rain | 16 to 20 mph NNW | 78% |
| Wednesday Night | 30°F | Slight Chance Light Rain then Mostly Cloudy | 13 to 16 mph NNW | 15% |
| Thursday | 44°F | Partly Sunny | 9 to 15 mph N | 2% |
| Thursday Night | 25°F | Mostly Cloudy | 2 to 8 mph ENE | 0% |
| Friday | 45°F | Partly Sunny | 2 to 6 mph SSE | 0% |
| Friday Night | 26°F | Partly Cloudy | 6 mph S | 0% |
| Saturday | 57°F | Mostly Sunny | 6 to 12 mph WSW | 3% |
| Saturday Night | 29°F | Mostly Clear | 8 mph W | 2% |
| Sunday | 56°F | Sunny | 6 to 10 mph SSW | 1% |
| Sunday Night | 34°F | Mostly Clear | 10 mph S | 0% |
| Monday | 59°F | Sunny | 8 to 15 mph WNW | 0% |
| Monday Night | 32°F | Mostly Clear | 5 to 8 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Frankfort, SD
Last spring frost
May 8
First fall frost
Oct 1
Growing season
145 days
Hardiness zone
4b
Explore more for Frankfort, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Redfield, Sd (13.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.