Deadwood, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Deadwood, a city in Lawrence County, South Dakota.
This Afternoon
48°F
Sunny
Sunny. High near 48, with temperatures falling to around 37 in the afternoon. Northwest wind 6 to 9 mph, with gusts as high as 23 mph.
7-day forecast for Deadwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Sunny | 6 to 9 mph NW | 0% |
| Tonight | 30°F | Mostly Clear | 6 mph W | 0% |
| Wednesday | 49°F | Partly Sunny | 6 mph NW | 0% |
| Wednesday Night | 32°F | Mostly Cloudy | 6 mph W | 0% |
| Thursday | 57°F | Sunny | 3 mph SE | 0% |
| Thursday Night | 34°F | Partly Cloudy | 5 mph SW | 0% |
| Friday | 53°F | Mostly Sunny | 1 to 6 mph W | 1% |
| Friday Night | 35°F | Mostly Clear | 3 to 7 mph SW | 6% |
| Saturday | 58°F | Sunny | 6 to 13 mph W | 5% |
| Saturday Night | 36°F | Mostly Clear | 7 mph SW | 2% |
| Sunday | 67°F | Sunny | 3 to 7 mph SW | 0% |
| Sunday Night | 42°F | Mostly Clear | 9 mph W | 0% |
| Monday | 59°F | Sunny | 3 to 7 mph NW | 0% |
| Monday Night | 39°F | Partly Cloudy | 5 mph SW | 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.