Buffalo, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Buffalo, a city in Johnson County, Wyoming.
Tonight
36°F
Clear
Clear, with a low around 36. West southwest wind around 6 mph.
7-day forecast for Buffalo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 36°F | Clear | 6 mph WSW | 0% |
| Wednesday | 54°F | Mostly Sunny | 3 to 8 mph N | 0% |
| Wednesday Night | 36°F | Partly Cloudy | 7 mph W | 0% |
| Thursday | 61°F | Sunny | 6 to 9 mph S | 0% |
| Thursday Night | 36°F | Mostly Cloudy | 8 mph NW | 7% |
| Friday | 52°F | Sunny | 2 to 6 mph SSW | 7% |
| Friday Night | 34°F | Mostly Clear | 3 to 8 mph WSW | 0% |
| Saturday | 58°F | Sunny | 7 mph NW | 0% |
| Saturday Night | 37°F | Mostly Clear | 5 to 8 mph SW | 0% |
| Sunday | 69°F | Sunny | 3 to 8 mph SW | 0% |
| Sunday Night | 41°F | Partly Cloudy | 6 mph WNW | 0% |
| Monday | 59°F | Mostly Sunny | 6 mph NW | 0% |
| Monday Night | 39°F | Partly Cloudy | 6 mph WSW | 2% |
| Tuesday | 62°F | Mostly Sunny | 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Buffalo (44.339, -106.715). Updated through the day.
Growing snapshot for Buffalo
Last spring frost
May 24
First fall frost
Sep 21
Growing season
118 days
Hardiness zone
5a
More local growing data for Buffalo: nearby ZIP 82834 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Buffalo, Wy (6.7 mi from Buffalo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.