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Frederick, SD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Frederick, a town in Brown County, South Dakota.

This Afternoon
48°F
Slight Chance Light Rain
A slight chance of rain. Cloudy. High near 48, with temperatures falling to around 45 in the afternoon. North northwest wind around 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

7-day forecast for Frederick

WhenTempForecastWindPrecip
This Afternoon 48°F Slight Chance Light Rain 20 mph NNW 16%
Tonight 35°F Chance Light Rain 13 to 17 mph NNW 30%
Wednesday 46°F Chance Light Rain 16 to 20 mph NNW 29%
Wednesday Night 30°F Mostly Cloudy 12 to 16 mph NNW 2%
Thursday 41°F Partly Sunny 7 to 14 mph N 0%
Thursday Night 24°F Mostly Cloudy 1 to 6 mph E 3%
Friday 43°F Partly Sunny 2 to 7 mph SSW 0%
Friday Night 26°F Partly Cloudy 7 mph SSW 0%
Saturday 56°F Mostly Sunny 7 to 13 mph WSW 3%
Saturday Night 31°F Partly Cloudy 8 mph W 2%
Sunday 56°F Sunny 6 to 9 mph SW 1%
Sunday Night 34°F Partly Cloudy 9 mph SW 0%
Monday 59°F Sunny 9 to 16 mph WNW 0%
Monday Night 32°F Partly Cloudy 5 to 8 mph WNW 0%

Forecast source: National Weather Service (api.weather.gov) for Frederick (45.832, -98.507). Updated through the day.

Growing snapshot for Frederick

Last spring frost
May 7
First fall frost
Sep 29
Growing season
145 days
Hardiness zone
4b

More local growing data for Frederick: nearby ZIP 57441 weather · frost dates · planting calendar · South Dakota frost dates

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Climate data from the nearest NOAA station, Columbia 8 N, Sd (12.4 mi from Frederick). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.