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June 17th, 2026 :: 6:43 pm MDT   

Local Weather Report for
Custer
South Dakota, United States

 Current Custer Weather Conditions Updated June 17th at 5:53 pm 
Temperature:63°F Dew Point:28°F
Barometer:29.86 inHg Wind:N 19 Mph
Humidity:27.2% Visibility:0M
 
 Custer Weather Forecast Summary  
 
Today
Jun 17th
Thursday
Jun 18th
Friday
Jun 19th
Saturday
Jun 20th
Sunday
Jun 21st
Mostly Sunny Mostly Sunny Mostly Sunny Mostly Cloudy with Showers Showers
75°F
75°F
49°F
74°F
53°F
64°F
52°F
55°F
50°F
 
 Custer Detailed Weather Forecast  
 
Wednesday, June 17th, 2026
Evening Temperature: 67°F
A mix of clear and cloudy skies. Wind 20 to 30 mph.
Thursday, June 18th, 2026
Overnight Temperature: 54°F
A mix of clear and cloudy skies.
Morning Temperature: 56°F
Sunny.
Afternoon Temperature: 73°F
A mix of sun and cloud. Windy at times.
Evening Temperature: 67°F
Clear with cloudy periods. Windy at times.
Friday, June 19th, 2026
Overnight Temperature: 56°F
Mostly clear.
Morning Temperature: 58°F
Sunny.
Afternoon Temperature: 70°F
A mix of sun and cloud. Windy at times.
Evening Temperature: 68°F
Clear. Windy at times.
Saturday, June 20th, 2026
Overnight Temperature: 56°F
Mostly clear. Windy at times.
Morning Temperature: 53°F
Mostly cloudy with showers likely. Windy at times.
Afternoon Temperature: 60°F
A mix of cloud and sun with a chance of showers. Windy at times.
Evening Temperature: 56°F
Cloudy with a chance of showers. Windy.
Sunday, June 21st, 2026
Overnight Temperature: 55°F
A mix of cloudy and clear skies with a chance of showers. Windy at times.
Morning Temperature: 53°F
Cloudy with showers likely. Windy at times.
Afternoon Temperature: 51°F
Mostly cloudy with showers. Windy at times.
Evening Temperature: 52°F
Cloudy with a few showers. Windy at times.
Monday, June 22nd, 2026
Overnight Temperature: 52°F
A mix of cloudy and clear skies with a chance of showers.
Morning Temperature: 56°F
A mix of cloud and sun.
Afternoon Temperature: 66°F
Mostly cloudy.
Evening Temperature: 64°F
Mostly clear with a slight chance of showers or thundershowers.
Tuesday, June 23rd, 2026
Overnight Temperature: 56°F
Clear with a slight chance of showers.
Morning Temperature: 62°F
Sunny.
Afternoon Temperature: 77°F
Sunny.
Evening Temperature: 74°F
Clear.
Wednesday, June 24th, 2026
Overnight Temperature: 61°F
Clear.
Morning Temperature: 68°F
Sunny with cloudy periods. Slight chance of a thunderstorm.
Afternoon Temperature: 88°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 81°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Thursday, June 25th, 2026
Overnight Temperature: 63°F
Clear.
Morning Temperature: 67°F
Sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 79°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Evening Temperature: 69°F
Clear with cloudy periods.





 

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5:53 PM  75°F
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5:52 PM  73°F
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5:55 PM  75°F
 
 
Gillette, WY 
5:53 PM  64°F
light rain
 
Douglas, WY 
5:53 PM  66°F
Mostly Cloudy

 
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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