Wyoming Weather
Observed at Cheyenne (the largest city by population in Wyoming, used as a state-wide proxy). For per-city forecasts, see the city grid below.
Climate at a glance
Wyoming is largely one climate zone across 204 cities and towns. Predominantly cold semi-arid.
The state spans roughly 4.0° of latitude (41.0° N to 45.0° N), from Washam in the south to Mammoth in the north. Cheyenne is the largest city by population.
Microseason · September 21–25 · Mountain West
Thunder retreats as the monsoon dies
Late September brings the final monsoon surge south; by month's end, the daily storm pattern collapses.
Read this microseason across nine climate regions → · See all 72 microseasons
Microseason content for Wyoming is drawn from the Mountain West corpus (100% of the state's cities sit in this region).
Live wind & temperature across Wyoming
Cities in Wyoming
| City | July normal | Population |
|---|---|---|
| Cheyenne | 69°F | 79,986 |
Our dataset lists 204 places in Wyoming; the 1 above has a page. For a smaller town, the nearest city above is the closest match.