Milbank, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Milbank, a city in Grant County, South Dakota.
Overnight
39°F
Light Rain
Rain and patchy fog. Cloudy. Low around 39, with temperatures rising to around 42 overnight. North northwest wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Milbank
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Light Rain | 22 mph NNW | 89% |
| Wednesday | 44°F | Light Rain | 18 to 22 mph NNW | 92% |
| Wednesday Night | 34°F | Chance Light Rain then Patchy Fog | 14 to 18 mph NNW | 35% |
| Thursday | 41°F | Patchy Fog then Mostly Cloudy | 10 to 16 mph NNW | 0% |
| Thursday Night | 28°F | Mostly Cloudy | 2 to 8 mph NNW | 0% |
| Friday | 42°F | Mostly Sunny | 1 to 5 mph SSW | 0% |
| Friday Night | 28°F | Partly Cloudy | 5 mph S | 0% |
| Saturday | 54°F | Mostly Sunny | 5 to 10 mph WSW | 1% |
| Saturday Night | 36°F | Mostly Clear | 6 to 9 mph W | 0% |
| Sunday | 55°F | Sunny | 8 mph WSW | 0% |
| Sunday Night | 38°F | Mostly Clear | 7 mph SW | 0% |
| Monday | 60°F | Mostly Sunny | 7 to 10 mph W | 0% |
| Monday Night | 37°F | Mostly Clear | 7 mph WNW | 0% |
| Tuesday | 54°F | Mostly Sunny | 6 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Milbank (45.219, -96.634). Updated through the day.
Growing snapshot for Milbank
Last spring frost
May 5
First fall frost
Oct 2
Growing season
150 days
Hardiness zone
4b
More local growing data for Milbank: nearby ZIP 57252 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Milbank, Sd (1.9 mi from Milbank). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.