Kaycee, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kaycee, a town in Johnson County, Wyoming.
This Afternoon
82°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny. High near 82, with temperatures falling to around 78 in the afternoon. West southwest wind around 6 mph. Chance of precipitation is 50%.
7-day forecast for Kaycee
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Chance Showers And Thunderstorms | 6 mph WSW | 48% |
| Tonight | 52°F | Showers And Thunderstorms | 2 to 6 mph NW | 80% |
| Saturday | 71°F | Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 8 mph NW | 44% |
| Saturday Night | 48°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 3 to 9 mph N | 85% |
| Sunday | 64°F | Showers And Thunderstorms Likely | 3 to 8 mph NW | 73% |
| Sunday Night | 45°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 8 mph NW | 26% |
| Monday | 72°F | Sunny | 2 to 6 mph S | 2% |
| Monday Night | 45°F | Mostly Clear | 6 mph SSE | 0% |
| Tuesday | 79°F | Sunny | 6 mph S | 1% |
| Tuesday Night | 50°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph N | 11% |
| Wednesday | 79°F | Mostly Sunny | 7 mph SW | 9% |
| Wednesday Night | 49°F | Mostly Clear | 5 mph NW | 5% |
| Thursday | 81°F | Sunny | 5 to 8 mph S | 2% |
| Thursday Night | 50°F | Partly Cloudy | 6 mph S | 8% |
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 Sep 18, 2026.