Hamill, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hamill, a community in Tripp County, South Dakota.
Tonight
58°F
Cloudy then Patchy Fog
Patchy fog after 2am. Cloudy. Low around 58, with temperatures rising to around 60 overnight. North wind around 9 mph, with gusts as high as 16 mph.
7-day forecast for Hamill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Cloudy then Patchy Fog | 9 mph N | 6% |
| Saturday | 67°F | Patchy Fog then Cloudy | 12 mph N | 10% |
| Saturday Night | 55°F | Chance Rain Showers | 12 mph NE | 46% |
| Sunday | 63°F | Rain Showers Likely | 10 to 14 mph NE | 74% |
| Sunday Night | 51°F | Rain Showers | 13 mph E | 88% |
| Monday | 62°F | Rain Showers | 13 mph E | 88% |
| Monday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 9 to 13 mph E | 17% |
| Tuesday | 68°F | Mostly Cloudy | 12 to 20 mph SE | 14% |
| Tuesday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 20 mph SE | 19% |
| Wednesday | 73°F | Chance Rain Showers | 20 to 23 mph S | 31% |
| Wednesday Night | 55°F | Chance Showers And Thunderstorms | 14 to 20 mph SE | 31% |
| Thursday | 74°F | Chance Rain Showers then Partly Sunny | 10 to 14 mph S | 31% |
| Thursday Night | 56°F | Partly Cloudy | 13 mph SE | 10% |
| Friday | 75°F | Partly Sunny | 13 to 18 mph SE | 10% |
Forecast source: National Weather Service (api.weather.gov) for Hamill (43.594, -99.693). Updated through the day.
Growing snapshot for Hamill
Last spring frost
May 1
First fall frost
Oct 10
Growing season
162 days
Hardiness zone
5a
More local growing data for Hamill: nearby ZIP 57534 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winner Wiley Fld, Sd (15.2 mi from Hamill). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.