Hartford, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartford, a city in Minnehaha County, South Dakota.
Tonight
61°F
Areas Of Fog
Areas of fog after 11pm. Cloudy, with a low around 61. North northeast wind 5 to 10 mph.
7-day forecast for Hartford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Areas Of Fog | 5 to 10 mph NNE | 9% |
| Saturday | 68°F | Patchy Fog then Cloudy | 10 to 15 mph NNE | 12% |
| Saturday Night | 56°F | Mostly Cloudy | 10 to 15 mph NNE | 3% |
| Sunday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 15 mph NE | 23% |
| Sunday Night | 53°F | Rain Showers Likely | 10 to 15 mph ENE | 59% |
| Monday | 61°F | Rain Showers Likely | 10 to 15 mph ENE | 59% |
| Monday Night | 48°F | Mostly Cloudy | 5 to 10 mph E | 11% |
| Tuesday | 64°F | Partly Sunny | 5 to 10 mph ESE | 4% |
| Tuesday Night | 49°F | Partly Cloudy | 5 to 10 mph SE | 3% |
| Wednesday | 68°F | Partly Sunny | 10 to 15 mph SSE | 11% |
| Wednesday Night | 53°F | Chance Rain Showers | 10 mph SSE | 40% |
| Thursday | 68°F | Chance Rain Showers | 10 mph SSE | 40% |
| Thursday Night | 55°F | Mostly Cloudy | 5 to 10 mph SE | 14% |
| Friday | 70°F | Partly Sunny | 5 to 15 mph SE | 14% |
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 Sep 19, 2026.