Weather information for the Deadwood-Spearfish area is provided below. Average temperatures, climate details and current forecasts are included!
Climate
Monthly average temperatures and precipitation for Deadwood / Spearfish are shown below.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 32° | 36° | 42° | 52° | 64° | 74° | 81° | 78° | 67° | 56° | 42° | 34° |
| Avg. Low | 10° | 14° | 18° | 28° | 38° | 47° | 54° | 51° | 41° | 32° | 21° | 12° |
| Daily Avg | 22° | 25° | 31° | 41° | 51° | 61° | 68° | 65° | 55° | 45° | 32° | 24° |
| Avg. Precip. | 1.3 in | 1.3 in | 2.3 in | 3.7 in | 4.7 in | 4.1 in | 2.3 in | 2.3 in | 2.1 in | 1.7 in | 1.3 in | 1.4 in |
| Note: All temperatures are in degrees Fahrenheit. | ||||||||||||
Tonight
Mostly Clear
Friday
Sunny
Friday Night
Mostly Clear
Saturday
Sunny
Saturday Night
Mostly Clear
Sunday
Sunny
Detailed Forecast |
|
|---|---|
| Tonight | Mostly clear, with a low around 23. Wind chill values as low as 12. West wind 7 to 14 mph, with gusts as high as 24 mph. |
| Friday | Sunny, with a high near 38. Wind chill values as low as 12. Northwest wind 14 to 22 mph, with gusts as high as 33 mph. |
| Friday Night | Mostly clear. Low around 21, with temperatures rising to around 24 overnight. Wind chill values as low as 16. Northwest wind 5 to 21 mph, with gusts as high as 30 mph. |
| Saturday | Sunny, with a high near 45. Wind chill values as low as 17. Northwest wind 6 to 10 mph, with gusts as high as 16 mph. |
| Saturday Night | Mostly clear, with a low around 27. South wind 6 to 9 mph. |
| Sunday | Sunny, with a high near 62. Southeast wind 6 to 14 mph, with gusts as high as 21 mph. |
| Sunday Night | A chance of rain showers. Mostly cloudy, with a low around 39. South wind 12 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. |
| Monday | A chance of rain showers. Mostly sunny, with a high near 54. Northwest wind 18 to 22 mph, with gusts as high as 35 mph. |
| Monday Night | A slight chance of rain showers before midnight. Partly cloudy, with a low around 35. |
| Tuesday | A slight chance of rain showers. Mostly sunny, with a high near 54. |
| Tuesday Night | Partly cloudy, with a low around 37. |
| Wednesday | A slight chance of rain showers after noon. Mostly sunny, with a high near 66. |
| Wednesday Night | A chance of rain showers. Partly cloudy, with a low around 44. |
| Thursday | A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly sunny, with a high near 69. |
