Deadwood, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Deadwood, a city in Lawrence County, South Dakota.
Overnight
29°F
Mostly Clear
Mostly clear. Low around 29, with temperatures rising to around 32 overnight. West wind around 6 mph.
7-day forecast for Deadwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 29°F | Mostly Clear | 6 mph W | 0% |
| Wednesday | 49°F | Partly Sunny | 7 mph NW | 0% |
| Wednesday Night | 32°F | Partly Cloudy | 5 mph W | 0% |
| Thursday | 55°F | Sunny | 1 to 5 mph SE | 0% |
| Thursday Night | 34°F | Partly Cloudy | 6 mph SW | 0% |
| Friday | 53°F | Mostly Sunny | 1 to 7 mph W | 1% |
| Friday Night | 35°F | Mostly Clear | 2 to 7 mph SW | 0% |
| Saturday | 57°F | Sunny | 5 to 14 mph W | 0% |
| Saturday Night | 36°F | Mostly Clear | 6 mph SW | 0% |
| Sunday | 67°F | Sunny | 3 to 7 mph SW | 0% |
| Sunday Night | 41°F | Mostly Clear | 5 to 8 mph W | 0% |
| Monday | 60°F | Sunny | 5 mph NW | 0% |
| Monday Night | 38°F | Partly Cloudy | 3 mph SW | 1% |
| Tuesday | 61°F | Mostly Sunny | 2 to 6 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Deadwood (44.387, -103.721). Updated through the day.
Growing snapshot for Deadwood
Last spring frost
May 18
First fall frost
Sep 29
Growing season
133 days
Hardiness zone
5a
More local growing data for Deadwood: nearby ZIP 57732 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Belle Fourche
Boulder Canyon
Central City
Crook City
Lead
Mountain Plains
North Spearfish
Spearfish
St. Onge
Whitewood
Climate data from the nearest NOAA station, Lead, Sd (3.2 mi from Deadwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.