Kaycee, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kaycee, a town in Johnson County, Wyoming.
This Afternoon
57°F
Sunny
Sunny. High near 57, with temperatures falling to around 52 in the afternoon. Northeast wind around 6 mph.
7-day forecast for Kaycee
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Sunny | 6 mph NE | 0% |
| Tonight | 28°F | Clear | 5 mph WNW | 0% |
| Wednesday | 55°F | Mostly Sunny | 3 to 8 mph N | 0% |
| Wednesday Night | 29°F | Mostly Cloudy | 6 mph W | 0% |
| Thursday | 62°F | Sunny | 6 to 14 mph SSW | 0% |
| Thursday Night | 32°F | Partly Cloudy | 2 to 8 mph WSW | 2% |
| Friday | 56°F | Sunny | 2 to 9 mph SW | 2% |
| Friday Night | 32°F | Mostly Clear | 8 mph WSW | 5% |
| Saturday | 60°F | Sunny | 7 mph SW | 3% |
| Saturday Night | 34°F | Mostly Clear | 6 to 13 mph SW | 0% |
| Sunday | 69°F | Sunny | 12 to 16 mph SW | 0% |
| Sunday Night | 38°F | Mostly Clear | 6 to 12 mph W | 0% |
| Monday | 63°F | Mostly Sunny | 8 mph W | 0% |
| Monday Night | 37°F | Partly Cloudy | 7 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Kaycee (43.710, -106.637). Updated through the day.
Growing snapshot for Kaycee
Last spring frost
May 18
First fall frost
Sep 25
Growing season
129 days
Hardiness zone
5a
More local growing data for Kaycee: nearby ZIP 82639 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Kaycee, Wy (3.3 mi from Kaycee). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.