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Johnson Siding, SD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Johnson Siding, a community in Pennington County, South Dakota.

This Afternoon
52°F
Sunny
Sunny. High near 52, with temperatures falling to around 45 in the afternoon. Northwest wind 5 to 8 mph, with gusts as high as 25 mph.

7-day forecast for Johnson Siding

WhenTempForecastWindPrecip
This Afternoon 52°F Sunny 5 to 8 mph NW 0%
Tonight 29°F Mostly Clear 5 mph NW 0%
Wednesday 53°F Partly Sunny 3 to 7 mph NW 2%
Wednesday Night 30°F Mostly Cloudy 2 to 6 mph NW 2%
Thursday 59°F Sunny 0 to 3 mph SE 0%
Thursday Night 32°F Partly Cloudy 3 mph SW 0%
Friday 57°F Mostly Sunny 0 to 3 mph NW 1%
Friday Night 32°F Mostly Clear 1 to 5 mph W 4%
Saturday 61°F Sunny 3 to 7 mph NW 4%
Saturday Night 33°F Mostly Clear 5 mph W 2%
Sunday 69°F Sunny 6 mph SW 0%
Sunday Night 40°F Mostly Clear 7 mph W 0%
Monday 62°F Sunny 1 to 5 mph NW 0%
Monday Night 35°F Partly Cloudy 3 mph W 0%

Forecast source: National Weather Service (api.weather.gov) for Johnson Siding (44.085, -103.438). Updated through the day.

Growing snapshot for Johnson Siding

Last spring frost
May 20
First fall frost
Sep 25
Growing season
126 days
Hardiness zone
5a

More local growing data for Johnson Siding: nearby ZIP 57702 weather · frost dates · planting calendar · South Dakota frost dates

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Climate data from the nearest NOAA station, Johnson Siding, Sd (3.7 mi from Johnson Siding). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.