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December 14th, 2025 :: 5:30 pm MST   

Local Weather Report for
Custer
South Dakota, United States

 Current Custer Weather Conditions Updated December 14th at 3:53 pm 
Temperature:52°F Dew Point:12°F
Barometer:30.06 inHg Wind:N 19 Mph
Humidity:19.8% Visibility:0M
 
 Custer Weather Forecast Summary  
 
Today
Dec 14th
Monday
Dec 15th
Tuesday
Dec 16th
Wednesday
Dec 17th
Thursday
Dec 18th
Sunny Cloudy Cloudy Cloudy Cloudy
48°F
52°F
36°F
54°F
35°F
56°F
33°F
29°F
21°F
 
 Custer Detailed Weather Forecast  
 
Sunday, December 14th, 2025
Evening Temperature: 39°F
Clear.
Monday, December 15th, 2025
Overnight Temperature: 36°F
Clear.
Morning Temperature: 51°F
Cloudy.
Afternoon Temperature: 44°F
Cloudy. Windy at times.
Evening Temperature: 43°F
Cloudy. Windy at times.
Tuesday, December 16th, 2025
Overnight Temperature: 44°F
A mix of cloudy and clear skies. Windy.
Morning Temperature: 53°F
Cloudy. Windy.
Afternoon Temperature: 42°F
Cloudy. Windy at times.
Evening Temperature: 35°F
Cloudy.
Wednesday, December 17th, 2025
Overnight Temperature: 35°F
Clear.
Morning Temperature: 54°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 38°F
A mix of cloud and sun with a slight chance of showers. Showers possibly mixed with wet flurries. Wind 25 to 40 mph.
Evening Temperature: 33°F
Clear with cloudy periods with a slight chance of flurries or showers. Wind 35 to 45 mph.
Thursday, December 18th, 2025
Overnight Temperature: 21°F
Clear. Wind 50 to 60 mph.
Morning Temperature: 28°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 23°F
Cloudy.
Evening Temperature: 25°F
Cloudy.
Friday, December 19th, 2025
Overnight Temperature: 40°F
Clear. Windy.
Morning Temperature: 54°F
Sunny. Wind 35 to 45 mph.
Afternoon Temperature: 49°F
A mix of cloud and sun. Wind 20 to 30 mph.
Evening Temperature: 38°F
Cloudy.
Saturday, December 20th, 2025
Overnight Temperature: 30°F
Cloudy with a chance of flurries.
Morning Temperature: 35°F
Sunny with a chance of flurries or showers. Risk of freezing rain. Windy.
Afternoon Temperature: 27°F
Sunny. Windy at times.
Evening Temperature: 24°F
Clear.
Sunday, December 21st, 2025
Overnight Temperature: 24°F
Clear.
Morning Temperature: 38°F
Sunny. Windy at times.
Afternoon Temperature: 33°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 43°F
A mix of cloudy and clear skies. Wind 25 to 40 mph.
Monday, December 22nd, 2025
Overnight Temperature: 44°F
A mix of cloudy and clear skies. Wind 25 to 40 mph.
Morning Temperature: 53°F
Cloudy. Windy.
Afternoon Temperature: 52°F
Cloudy. Wind 25 to 40 mph.
Evening Temperature: 48°F
Mostly clear. Wind 20 to 30 mph.





 

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This WeatherCity Weather Forecast for Custer, 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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