Cheyenne, WY Weather Forecast
Right now it is 46°F and mostly cloudy in Cheyenne (as of Tue, 10:20 AM MST). Today: high near 51°F. Tomorrow: partly sunny, high near 53°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions
Measured at Cheyenne, Cheyenne Airport (1 mi from the city center).
Weather tomorrow in Cheyenne
Partly Sunny53°FPartly sunny. High near 53, with temperatures falling to around 43 in the afternoon. North northwest wind 5 to 10 mph.
Mostly Cloudy33°FMostly cloudy, with a low around 33. North northwest wind around 10 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for Cheyenne right now.
7-day forecast
Sunny51°F / 29°FSunny. High near 51, with temperatures falling to around 42 in the afternoon. Northwest wind 15 to 20 mph, with gusts as high as 35 mph. Tonight: Mostly clear, with a low around 29. Northwest wind 5 to 15 mph.
Partly Sunny53°F / 33°FPartly sunny. High near 53, with temperatures falling to around 43 in the afternoon. North northwest wind 5 to 10 mph. Wednesday Night: Mostly cloudy, with a low around 33. North northwest wind around 10 mph.
Sunny57°F / 33°FSunny, with a high near 57. Northwest wind 5 to 10 mph. Thursday Night: Partly cloudy, with a low around 33.
Mostly Sunny55°F / 33°FMostly sunny, with a high near 55. Friday Night: Partly cloudy, with a low around 33.
Sunny56°F / 32°FSunny, with a high near 56. Saturday Night: Mostly clear, with a low around 32.
Sunny62°F / 39°FSunny, with a high near 62. Sunday Night: Mostly clear, with a low around 39.
Sunny66°F / 39°FSunny, with a high near 66. Monday Night: Partly cloudy, with a low around 39.
Forecast issued by NWS forecast office CYS · updated Nov 3, 3:21 AM MST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Cheyenne population: 66,507 (U.S. Census Bureau, July 1, 2025 estimate). More Wyoming cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Cheyenne?
Wednesday, November 4: Partly Sunny, high near 53°F; night: mostly cloudy, low around 33°F.
Where does the Cheyenne forecast come from?
From the National Weather Service forecast office CYS, which writes the official forecast for Cheyenne's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Cheyenne weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Cheyenne (America/Denver).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.