Buffalo, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Buffalo, a city in Johnson County, Wyoming.
This Afternoon
77°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5pm, then showers and thunderstorms likely. Mostly sunny. High near 77, with temperatures falling to around 74 in the afternoon. East northeast wind around 6 mph. Chance of precipitation is 60%.
7-day forecast for Buffalo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Chance Showers And Thunderstorms | 6 mph ENE | 57% |
| Tonight | 56°F | Showers And Thunderstorms | 3 to 9 mph NW | 80% |
| Saturday | 65°F | Chance Showers And Thunderstorms | 3 to 8 mph NNW | 79% |
| Saturday Night | 51°F | Showers And Thunderstorms | 3 to 9 mph NNW | 86% |
| Sunday | 61°F | Rain Showers | 3 to 7 mph NNE | 91% |
| Sunday Night | 48°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 6 mph WNW | 44% |
| Monday | 68°F | Mostly Sunny | 2 to 9 mph SSE | 13% |
| Monday Night | 51°F | Mostly Clear | 8 mph S | 1% |
| Tuesday | 75°F | Sunny | 6 mph S | 3% |
| Tuesday Night | 55°F | Partly Cloudy | 7 mph SW | 13% |
| Wednesday | 76°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 mph NNW | 16% |
| Wednesday Night | 54°F | Mostly Clear | 7 mph WNW | 8% |
| Thursday | 78°F | Sunny | 7 to 10 mph S | 5% |
| Thursday Night | 56°F | Partly Cloudy | 10 mph SSW | 4% |
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 Sep 18, 2026.