
ESOlex // Shutterstock
Cheyenne 7-day weather forecast
Stacker created the forecast for Cheyenne, Wyoming using data from OpenWeather. This week's high is 82 °F on Sunday, while the low is 48 °F on Thursday. There are expected to be 3 sunny days and rain on 4 days this week.
There are currently no weather alerts.
Monday, September 15
- High of 79 °F, low of 51 °F (18% humidity)- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 6:40 AM, sunset at 7:08 PM
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aco // Shutterstock
Tuesday, September 16
- High of 68 °F, low of 55 °F (41% humidity)
- Mostly cloudy with a 100% chance of rain (2 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:41 AM, sunset at 7:07 PM
- Mostly cloudy with a 100% chance of rain (2 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:41 AM, sunset at 7:07 PM

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Cari Rubin Photography // Shutterstock
Wednesday, September 17
- High of 64 °F, low of 49 °F (51% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:42 AM, sunset at 7:05 PM
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:42 AM, sunset at 7:05 PM

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Dmitry Naumov // Shutterstock
Thursday, September 18
- High of 67 °F, low of 48 °F (44% humidity)
- Overcast with a 62% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:43 AM, sunset at 7:03 PM
- Overcast with a 62% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:43 AM, sunset at 7:03 PM

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Sandra Matic // Shutterstock
Friday, September 19
- High of 67 °F, low of 48 °F (48% humidity)
- Partly cloudy with a 20% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:44 AM, sunset at 7:01 PM
- Partly cloudy with a 20% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:44 AM, sunset at 7:01 PM

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Saturday, September 20
- High of 80 °F, low of 51 °F (17% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Fresh breeze (21 mph wind)
- Sunrise at 6:45 AM, sunset at 7:00 PM
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Fresh breeze (21 mph wind)
- Sunrise at 6:45 AM, sunset at 7:00 PM
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Sunday, September 21
- High of 82 °F, low of 61 °F (24% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 6:46 AM, sunset at 6:58 PM
- New moon
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 6:46 AM, sunset at 6:58 PM
- New moon