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.
Overnight
51°F
Patchy Fog
Patchy fog and a chance of showers and thunderstorms. Cloudy. Low around 51, with temperatures rising to around 55 overnight. West wind around 1 mph. Chance of precipitation is 30%.
7-day forecast for Johnson Siding
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Patchy Fog | 1 mph W | 27% |
| Saturday | 64°F | Areas Of Fog then Showers And Thunderstorms | 1 to 5 mph SE | 80% |
| Saturday Night | 44°F | Showers And Thunderstorms | 5 mph E | 81% |
| Sunday | 57°F | Showers And Thunderstorms | 2 to 7 mph E | 89% |
| Sunday Night | 41°F | Showers And Thunderstorms | 0 to 3 mph E | 98% |
| Monday | 60°F | Rain Showers Likely | 0 to 6 mph E | 57% |
| Monday Night | 42°F | Chance Rain Showers then Mostly Cloudy | 2 to 6 mph SE | 30% |
| Tuesday | 70°F | Mostly Sunny | 3 to 10 mph S | 7% |
| Tuesday Night | 47°F | Partly Cloudy | 3 to 8 mph S | 10% |
| Wednesday | 76°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 mph S | 37% |
| Wednesday Night | 47°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 26% |
| Thursday | 78°F | Mostly Sunny | 5 mph S | 12% |
| Thursday Night | 48°F | Mostly Clear | 3 mph S | 6% |
| Friday | 79°F | Mostly Sunny | 3 to 9 mph S | 6% |
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
Nearby towns & communities
Caputa
Colonial Pine Hills
Cottonwood
Green Valley
Hill City
Keystone
New Underwood
Quinn
Rapid City
Wall
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 Sep 19, 2026.