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August 15th, 2026 :: 6:26 am MDT   

Local Weather Report for
Gillette
Wyoming, United States

 Current Gillette Weather Conditions Updated August 15th at 4:53 am 
Overcast
Temperature:61°F Dew Point:55°F
Barometer:30.21 inHg Wind:N 9 Mph
Humidity:82.4% Visibility:0M
 
 Gillette Weather Forecast Summary  
 
Today
Aug 15th
Sunday
Aug 16th
Monday
Aug 17th
Tuesday
Aug 18th
Wednesday
Aug 19th
Mix of Sun and Cloud Sunny Mostly Sunny Mix of Sun and Cloud Mix of Sun and Cloud
77°F
90°F
61°F
90°F
65°F
87°F
69°F
86°F
67°F
 
 Gillette Detailed Weather Forecast  
 
Saturday, August 15th, 2026
Morning Temperature: 63°F
A mix of cloud and sun.
Afternoon Temperature: 75°F
Cloudy with sunny periods with a chance of showers. Slight chance of a thunderstorm.
Evening Temperature: 73°F
Mostly clear with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Sunday, August 16th, 2026
Overnight Temperature: 64°F
Clear. Slight chance of a thunderstorm.
Morning Temperature: 67°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 87°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 81°F
Clear. Slight chance of a thunderstorm. Windy.
Monday, August 17th, 2026
Overnight Temperature: 69°F
Mostly clear. Slight chance of a thunderstorm.
Morning Temperature: 71°F
Mostly sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 89°F
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 79°F
A mix of clear and cloudy skies with a slight chance of showers. Windy at times.
Tuesday, August 18th, 2026
Overnight Temperature: 69°F
A mix of clear and cloudy skies with a slight chance of showers.
Morning Temperature: 74°F
A mix of cloud and sun.
Afternoon Temperature: 85°F
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 70°F
A mix of cloudy and clear skies with a slight chance of showers. Windy at times.
Wednesday, August 19th, 2026
Overnight Temperature: 69°F
A mix of cloudy and clear skies.
Morning Temperature: 71°F
Mostly sunny.
Afternoon Temperature: 84°F
A mix of cloud and sun. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 73°F
A mix of clear and cloudy skies.
Thursday, August 20th, 2026
Overnight Temperature: 66°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 86°F
Sunny.
Evening Temperature: 82°F
Clear.
Friday, August 21st, 2026
Overnight Temperature: 70°F
Clear.
Morning Temperature: 72°F
Sunny. Windy at times.
Afternoon Temperature: 93°F
Sunny.
Evening Temperature: 87°F
Mostly clear.
Saturday, August 22nd, 2026
Overnight Temperature: 76°F
Mostly clear. Windy at times.
Morning Temperature: 78°F
Mostly sunny. Windy at times.
Afternoon Temperature: 103°F
Sunny. Windy at times.
Evening Temperature: 90°F
A mix of clear and cloudy skies. Windy.
Sunday, August 23rd, 2026
Overnight Temperature: 77°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 74°F
Mostly sunny. Windy at times.
Afternoon Temperature: 90°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 84°F
Clear. Windy at times.





 

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4:53 AM  63°F
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4:55 AM  61°F
 
 
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4:55 AM  63°F
Partly Sunny
 
Custer, SD 
4:53 AM  57°F
Overcast

 
This WeatherCity Weather Forecast for Gillette, Wyoming, 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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