Deadwood, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Deadwood, a city in Lawrence County, South Dakota.
Today
69°F
Areas Of Smoke then Mostly Sunny
Areas of smoke before noon. Mostly sunny. High near 69, with temperatures falling to around 67 in the afternoon. North wind 1 to 5 mph, with gusts as high as 17 mph.
7-day forecast for Deadwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Areas Of Smoke then Mostly Sunny | 1 to 5 mph N | 2% |
| Tonight | 48°F | Partly Cloudy then Slight Chance Rain Showers | 3 mph S | 18% |
| Wednesday | 77°F | Sunny | 0 to 5 mph E | 6% |
| Wednesday Night | 54°F | Mostly Clear | 5 mph S | 2% |
| Thursday | 86°F | Sunny | 1 to 6 mph NW | 1% |
| Thursday Night | 59°F | Clear | 5 mph SW | 0% |
| Friday | 90°F | Sunny | 2 to 6 mph N | 1% |
| Friday Night | 64°F | Mostly Clear | 7 mph S | 0% |
| Saturday | 91°F | Sunny | 2 to 8 mph NW | 2% |
| Saturday Night | 62°F | Mostly Clear | 2 to 7 mph S | 3% |
| Sunday | 91°F | Mostly Sunny | 3 to 9 mph SE | 10% |
| Sunday Night | 62°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph SE | 16% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 9 mph E | 19% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 3 to 9 mph SE | 38% |
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 Aug 4, 2026.