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

74°F

Mostly Sunny

Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. Northeast wind around 5 mph, with gusts as high as 16 mph.

7-day forecast for Deadwood

When	Temp	Forecast	Wind	Precip
This Afternoon	74°F	Mostly Sunny	5 mph NE	10%
Tonight	53°F	Chance Showers And Thunderstorms	0 to 3 mph SW	68%
Saturday	63°F	Patchy Fog	0 to 6 mph SE	74%
Saturday Night	48°F	Showers And Thunderstorms Likely	3 to 7 mph SE	74%
Sunday	57°F	Rain Showers	6 mph E	99%
Sunday Night	45°F	Showers And Thunderstorms	1 to 6 mph SE	90%
Monday	61°F	Rain Showers Likely	1 to 8 mph SE	55%
Monday Night	47°F	Slight Chance Rain Showers then Partly Cloudy	5 to 10 mph SE	15%
Tuesday	72°F	Sunny	3 to 7 mph SE	14%
Tuesday Night	52°F	Mostly Clear	2 to 8 mph S	9%
Wednesday	75°F	Mostly Sunny then Chance Showers And Thunderstorms	1 to 5 mph SE	34%
Wednesday Night	52°F	Slight Chance Showers And Thunderstorms then Mostly Clear	3 mph S	15%
Thursday	76°F	Sunny	2 to 6 mph NE	12%
Thursday Night	53°F	Partly Cloudy	6 mph S	5%

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

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

All South Dakota locations ›

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 Sep 18, 2026.