North Spearfish, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for North Spearfish, a community in Lawrence County, South Dakota.
This Afternoon
76°F
Sunny
Sunny, with a high near 76. East wind around 8 mph, with gusts as high as 16 mph.
7-day forecast for North Spearfish
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 8 mph E | 5% |
| Tonight | 56°F | Showers And Thunderstorms Likely | 0 to 7 mph S | 65% |
| Saturday | 65°F | Patchy Fog | 0 to 12 mph E | 74% |
| Saturday Night | 53°F | Showers And Thunderstorms Likely | 5 to 13 mph E | 74% |
| Sunday | 60°F | Rain Showers | 3 to 10 mph E | 99% |
| Sunday Night | 50°F | Showers And Thunderstorms | 1 to 12 mph E | 82% |
| Monday | 64°F | Chance Rain Showers | 1 to 14 mph E | 51% |
| Monday Night | 48°F | Slight Chance Rain Showers then Partly Cloudy | 3 to 14 mph SE | 15% |
| Tuesday | 75°F | Mostly Sunny | 1 to 8 mph SE | 8% |
| Tuesday Night | 55°F | Mostly Clear | 2 to 9 mph SE | 8% |
| Wednesday | 77°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 7 mph E | 25% |
| Wednesday Night | 55°F | Mostly Clear | 2 to 6 mph S | 12% |
| Thursday | 79°F | Sunny | 2 to 8 mph NE | 7% |
| Thursday Night | 55°F | Partly Cloudy | 3 to 9 mph SE | 5% |
Forecast source: National Weather Service (api.weather.gov) for North Spearfish (44.511, -103.904). Updated through the day.
Growing snapshot for North Spearfish
Last spring frost
May 12
First fall frost
Oct 2
Growing season
143 days
More local growing data for North Spearfish: nearby ZIP 57799 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Belle Fourche
Boulder Canyon
Central City
Crook City
Deadwood
Lead
Mountain Plains
Spearfish
St. Onge
Whitewood
Climate data from the nearest NOAA station, Spearfish, Sd (0.1 mi from North Spearfish). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.