Kirby, WY Weather & Growing Conditions
Today
80°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 80. Northeast wind 1 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Areas Of Smoke | 1 to 9 mph NE | 1% |
| Tonight | 53°F | Areas Of Smoke | 1 to 9 mph NNW | 1% |
| Wednesday | 87°F | Areas Of Smoke | 0 to 9 mph NE | 0% |
| Wednesday Night | 53°F | Smoke | 2 to 12 mph NW | 0% |
| Thursday | 95°F | Areas Of Smoke then Sunny | 1 to 10 mph NW | 0% |
| Thursday Night | 56°F | Mostly Clear | 2 to 10 mph NNW | 0% |
| Friday | 98°F | Sunny | 1 to 10 mph SE | 0% |
| Friday Night | 59°F | Mostly Clear | 5 to 9 mph NW | 0% |
| Saturday | 98°F | Sunny | 2 to 6 mph NNW | 0% |
| Saturday Night | 60°F | Mostly Clear | 5 to 8 mph NW | 0% |
| Sunday | 98°F | Sunny | 2 to 8 mph NNW | 3% |
| Sunday Night | 61°F | Partly Cloudy | 5 to 8 mph NW | 1% |
| Monday | 96°F | Sunny | 2 to 8 mph NNW | 3% |
| Monday Night | 60°F | Partly Cloudy | 6 to 9 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Kirby, WY
Last spring frost
May 24
First fall frost
Sep 16
Growing season
112 days
Hardiness zone
4b
Explore more for Kirby, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Thermopolis 9Ne, Wy (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.