Weather in Spearfish, South Dakota
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 06:14 PM ET · Refreshes every hour
82°F
Overcast
Feels like 73°F
13%
Humidity
9 mph
Wind Speed
About Weather in Spearfish
Spearfish is located in South Dakota (coordinates: 44.492094°N, 103.819652°W). Weather data is sourced from Open-Meteo, a free and open meteorological API using data from national weather services including NOAA.
All temperatures are displayed in Fahrenheit. Wind speed is in miles per hour.