Hartford, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartford, a city in Minnehaha County, South Dakota.
This Afternoon
65°F
Cloudy
Cloudy, with a high near 65. North northeast wind around 10 mph.
7-day forecast for Hartford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Cloudy | 10 mph NNE | 6% |
| Tonight | 56°F | Cloudy then Patchy Fog | 10 to 15 mph NNE | 7% |
| Sunday | 66°F | Mostly Cloudy | 15 mph NE | 13% |
| Sunday Night | 52°F | Rain Showers | 10 to 15 mph ENE | 94% |
| Monday | 59°F | Rain Showers | 10 mph ENE | 94% |
| Monday Night | 45°F | Mostly Cloudy | 5 to 10 mph ENE | 8% |
| Tuesday | 64°F | Partly Sunny | 5 to 10 mph E | 3% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 10 mph SE | 2% |
| Wednesday | 66°F | Mostly Sunny | 10 to 15 mph SE | 9% |
| Wednesday Night | 52°F | Chance Showers And Thunderstorms | 10 to 15 mph SSE | 54% |
| Thursday | 69°F | Chance Showers And Thunderstorms | 10 to 15 mph SSE | 54% |
| Thursday Night | 56°F | Mostly Cloudy | 5 to 10 mph SE | 11% |
| Friday | 73°F | Mostly Cloudy | 5 to 15 mph SE | 11% |
| Friday Night | 58°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph SE | 31% |
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
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Baltic
Brandon
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Pine Lakes Addition
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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.