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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

WhenTempForecastWindPrecip
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

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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.