Hartford, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartford, a city in Minnehaha County, South Dakota.
Tonight
38°F
Rain Showers
Rain showers. Cloudy. Low around 38, with temperatures rising to around 41 overnight. North northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Hartford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 38°F | Rain Showers | 15 to 20 mph NNW | 88% |
| Wednesday | 45°F | Rain Showers | 20 mph NW | 88% |
| Wednesday Night | 36°F | Rain Showers Likely then Cloudy | 15 mph NW | 57% |
| Thursday | 46°F | Partly Sunny | 10 to 15 mph NNW | 9% |
| Thursday Night | 31°F | Mostly Cloudy | 0 to 10 mph NNE | 0% |
| Friday | 46°F | Partly Sunny | 0 to 5 mph ESE | 0% |
| Friday Night | 30°F | Partly Cloudy | 5 mph S | 0% |
| Saturday | 55°F | Mostly Sunny | 5 to 10 mph WSW | 2% |
| Saturday Night | 35°F | Mostly Clear | 5 mph WNW | 4% |
| Sunday | 57°F | Sunny | 5 to 10 mph WSW | 2% |
| Sunday Night | 38°F | Mostly Clear | 10 mph SSW | 1% |
| Monday | 59°F | Sunny | 10 to 15 mph W | 0% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Tuesday | 57°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Hartford (43.620, -96.937). Updated through the day.
Growing snapshot for Hartford
Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
169 days
Hardiness zone
5a
More local growing data for Hartford: nearby ZIP 57033 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Anderson
Baltic
Brandon
Colton
Crooks
Dell Rapids
Garretson
Humboldt
Lyons
Meadow View Addition
Pine Lakes Addition
Renner Corner
Rowena
Sherman
Sioux Falls
Valley Springs
Climate data from the nearest NOAA station, Sioux Falls Wfo Ap, Sd (11.8 mi from Hartford). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.