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July 12th, 2026 :: 12:16 am MDT   

Local Weather Report for
Custer
South Dakota, United States

 Current Custer Weather Conditions Updated July 11th at 10:53 pm 
Temperature:73°F Dew Point:50°F
Barometer:30.27 inHg Wind:calm
Humidity:43.7% Visibility:0M
 
 Custer Weather Forecast Summary  
 
Today
Jul 12th
Monday
Jul 13th
Tuesday
Jul 14th
Wednesday
Jul 15th
Thursday
Jul 16th
Sunny Sunny Sunny Sunny Sunny
101°F
100°F
71°F
99°F
70°F
98°F
68°F
97°F
71°F
 
 Custer Detailed Weather Forecast  
 
Sunday, July 12th, 2026
Overnight Temperature: 74°F
Clear. Chance of a thunderstorm.
Morning Temperature: 80°F
Sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 99°F
Sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 93°F
Clear. Windy.
Monday, July 13th, 2026
Overnight Temperature: 74°F
Clear.
Morning Temperature: 76°F
Sunny. Windy at times.
Afternoon Temperature: 98°F
Sunny. Windy.
Evening Temperature: 93°F
Clear. Windy.
Tuesday, July 14th, 2026
Overnight Temperature: 76°F
Clear. Windy at times.
Morning Temperature: 76°F
Sunny.
Afternoon Temperature: 97°F
Sunny. Windy.
Evening Temperature: 90°F
Clear. Windy.
Wednesday, July 15th, 2026
Overnight Temperature: 73°F
Clear.
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 95°F
Sunny. Windy at times.
Evening Temperature: 90°F
Clear. Windy at times.
Thursday, July 16th, 2026
Overnight Temperature: 73°F
Clear.
Morning Temperature: 80°F
Sunny. Windy at times.
Afternoon Temperature: 95°F
Sunny. Windy at times.
Evening Temperature: 90°F
Mostly clear. Windy at times.
Friday, July 17th, 2026
Overnight Temperature: 74°F
Mostly clear. Windy at times.
Morning Temperature: 78°F
Sunny.
Afternoon Temperature: 94°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 83°F
Clear. Windy at times.
Saturday, July 18th, 2026
Overnight Temperature: 76°F
Clear.
Morning Temperature: 80°F
Sunny.
Afternoon Temperature: 99°F
Sunny. Slight chance of a thunderstorm.
Evening Temperature: 96°F
Clear with cloudy periods. Slight chance of a thunderstorm. Windy.
Sunday, July 19th, 2026
Overnight Temperature: 75°F
Mostly clear. Windy at times.
Morning Temperature: 76°F
Mostly sunny.
Afternoon Temperature: 102°F
Sunny with cloudy periods. Slight chance of a thunderstorm. Windy.
Evening Temperature: 92°F
Clear with cloudy periods with a slight chance of showers or thundershowers. Windy.





 

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10:53 PM  82°F
 
 
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10:53 PM  70°F
 
 
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10:53 PM  75°F
 

 
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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