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September 17th, 2025 :: 9:47 pm MDT   

Local Weather Report for
Custer
South Dakota, United States

 Current Custer Weather Conditions Updated September 17th at 8:53 pm 
mist
Temperature:50°F Dew Point:48°F
Barometer:30.21 inHg Wind:N 9 Mph
Humidity:93.5% Visibility:0M
 
 Custer Weather Forecast Summary  
 
Today
Sep 17th
Thursday
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Showers Cloudy Cloudy Cloudy Cloudy
60°F
66°F
51°F
76°F
49°F
77°F
57°F
85°F
62°F
 
 Custer Detailed Weather Forecast  
 
Thursday, September 18th, 2025
Overnight Temperature: 56°F
Cloudy with a slight chance of showers.
Morning Temperature: 63°F
Cloudy.
Afternoon Temperature: 61°F
Sunny. Windy at times.
Evening Temperature: 52°F
Mostly clear.
Friday, September 19th, 2025
Overnight Temperature: 50°F
Clear.
Morning Temperature: 68°F
A mix of cloud and sun.
Afternoon Temperature: 70°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 60°F
Cloudy.
Saturday, September 20th, 2025
Overnight Temperature: 57°F
Cloudy.
Morning Temperature: 71°F
Cloudy.
Afternoon Temperature: 75°F
Sunny. Slight chance of a thunderstorm.
Evening Temperature: 64°F
Clear.
Sunday, September 21st, 2025
Overnight Temperature: 63°F
Cloudy.
Morning Temperature: 80°F
Sunny.
Afternoon Temperature: 79°F
Sunny.
Evening Temperature: 68°F
Cloudy.
Monday, September 22nd, 2025
Overnight Temperature: 60°F
Clear. Windy at times.
Morning Temperature: 66°F
Mostly sunny. Windy.
Afternoon Temperature: 67°F
Mostly sunny. Windy at times.
Evening Temperature: 55°F
Clear with cloudy periods.
Tuesday, September 23rd, 2025
Overnight Temperature: 55°F
Clear.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 73°F
Sunny.
Evening Temperature: 61°F
Clear.
Wednesday, September 24th, 2025
Overnight Temperature: 57°F
Clear.
Morning Temperature: 79°F
Sunny. Windy at times.
Afternoon Temperature: 82°F
Sunny.
Evening Temperature: 69°F
Clear.
Thursday, September 25th, 2025
Overnight Temperature: 68°F
Clear. Windy at times.
Morning Temperature: 75°F
Sunny. Windy.
Afternoon Temperature: 73°F
Sunny.
Evening Temperature: 60°F
Clear. Windy at times.





 

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8:49 PM  57°F
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8:55 PM  55°F
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8:53 PM  57°F
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8:52 PM  57°F
Overcast
 
Belle Fourche, WY 
 
Philip, SD 
8:55 PM  59°F
light rain
 
Gillette, WY 
8:53 PM  54°F
 
 
Douglas, WY 
8:53 PM  54°F
Overcast

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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