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Sunrise:  5:43 am
Sunset:  8:01 pm
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May 30

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May 9

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May 17

First Quarter
May 24




May 1st, 2026 :: 5:56 pm MDT   

Local Weather Report for
Spearfish
South Dakota, United States

 Current Spearfish Weather Conditions Updated May 1st at 4:55 pm 
Temperature:57°F Dew Point:28°F
Barometer:30.09 inHg Wind: 9 Mph
Humidity:33.0% Visibility:0M
 
 Spearfish Weather Forecast Summary  
 
Today
May 1st
Saturday
May 2nd
Sunday
May 3rd
Monday
May 4th
Tuesday
May 5th
Mostly Sunny Sunny Mix of Sun and Cloud Mix of Sun and Cloud Mix of Cloud and Sun
63°F
75°F
44°F
68°F
50°F
60°F
47°F
56°F
39°F
 
 Spearfish Detailed Weather Forecast  
 
Friday, May 1st, 2026
Evening Temperature: 55°F
Clear. Windy at times.
Saturday, May 2nd, 2026
Overnight Temperature: 45°F
Clear.
Morning Temperature: 53°F
Sunny.
Afternoon Temperature: 74°F
Sunny. Windy.
Evening Temperature: 64°F
Clear. Windy.
Sunday, May 3rd, 2026
Overnight Temperature: 51°F
A mix of clear and cloudy skies.
Morning Temperature: 53°F
A mix of cloud and sun.
Afternoon Temperature: 67°F
A mix of cloud and sun with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 61°F
A mix of clear and cloudy skies with a slight chance of showers or thundershowers. Windy at times.
Monday, May 4th, 2026
Overnight Temperature: 52°F
Clear.
Morning Temperature: 52°F
Sunny. Windy at times.
Afternoon Temperature: 60°F
Cloudy with sunny periods. Windy.
Evening Temperature: 53°F
A mix of cloudy and clear skies. Windy.
Tuesday, May 5th, 2026
Overnight Temperature: 42°F
A mix of cloudy and clear skies.
Morning Temperature: 43°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 55°F
Cloudy with sunny periods. Wind 20 to 30 mph.
Evening Temperature: 48°F
Cloudy with clear periods. Windy.
Wednesday, May 6th, 2026
Overnight Temperature: 38°F
A mix of cloudy and clear skies.
Morning Temperature: 40°F
Sunny.
Afternoon Temperature: 56°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 53°F
A mix of cloudy and clear skies.
Thursday, May 7th, 2026
Overnight Temperature: 44°F
Mostly clear.
Morning Temperature: 54°F
A mix of cloud and sun. Windy.
Afternoon Temperature: 68°F
A mix of cloud and sun with a chance of showers. Slight chance of a thunderstorm. Wind 20 to 30 mph.
Evening Temperature: 62°F
A mix of clear and cloudy skies. Windy at times.
Friday, May 8th, 2026
Overnight Temperature: 53°F
Clear with cloudy periods.
Morning Temperature: 51°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 51°F
A mix of cloud and sun with a slight chance of showers. Windy at times.
Evening Temperature: 54°F
Clear. Windy at times.
Saturday, May 9th, 2026
Overnight Temperature: 43°F
Clear.
Morning Temperature: 49°F
Sunny. Windy at times.
Afternoon Temperature: 63°F
A mix of cloud and sun. Windy.
Evening Temperature: 58°F
A mix of cloudy and clear skies. Windy.





 

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4:55 PM  59°F
 
 
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4:52 PM  59°F
 
 
Custer, SD 
4:53 PM  52°F
 
 
Buffalo, SD 
4:56 PM  57°F
 
 
Gillette, WY 
4:53 PM  63°F
Mostly Sunny
 
Belle Fourche, WY 
 
Faith, SD 
4:56 PM  57°F
 
 
Dead Horse, WY 
 
Philip, SD 
4:55 PM  61°F
 

 
This WeatherCity Weather Forecast for Spearfish, South Dakota, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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