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Hourly Forecast
Daylight Hours
06:47
Sunrise
18:59
Sunset
Moon
Waxing Crescent
12:46
Moonrise
21:05
Moonset
Daily Forecast
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Air Quality Data Available
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UV Index
Humidity
Weather in Cheyenne today, September 16, 2026
Expect a muted, overcast feel in Cheyenne on September 16, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Expect a grey start, with morning cloud around 100% by 01:00. Outdoor plans early on should not rely on bright skies.
The temperature range runs from about 8°C up to 25°C. The air stays humid, with relative humidity between 28% and 77% and the peak around 07:00. Expect gentle winds, highest near 14:00 at 9.5 km/h.
Through the afternoon cloud remains the main feature, with cover near 100% around 14:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 15.2 km, briefly nearer 1.7 km. Sunrise is at 06:47 and sunset at 18:59, giving 12 hours 12 minutes of sunlight today.
Overall, Cheyenne on September 16, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 25°C.
Frequently asked questions about weather in Cheyenne
How warm does it get in Cheyenne?
The warmest month in Cheyenne is July, with average high temperatures of 30°C. The average temperature during this period is around 22°C.
How cold does it get in Cheyenne?
The coldest month in Cheyenne is February, with average low temperatures of -6°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Cheyenne?
The wettest month in Cheyenne is May, with an average of 89mm of precipitation.
What is the driest time of year in Cheyenne?
The driest month in Cheyenne is December, with an average of 16mm of precipitation.
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