Hanna, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hanna, a town in Carbon County, Wyoming.
Overnight
44°F
Areas Of Smoke
Areas of smoke. Mostly clear, with a low around 44. East wind around 20 mph, with gusts as high as 30 mph.
7-day forecast for Hanna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Areas Of Smoke | 20 mph E | 1% |
| Tuesday | 78°F | Areas Of Smoke then Sunny | 5 to 20 mph N | 1% |
| Tuesday Night | 47°F | Mostly Clear | 5 to 20 mph NE | 1% |
| Wednesday | 81°F | Sunny | 5 to 15 mph WSW | 0% |
| Wednesday Night | 50°F | Mostly Clear | 5 to 15 mph WSW | 0% |
| Thursday | 86°F | Sunny | 5 to 15 mph W | 0% |
| Thursday Night | 54°F | Mostly Clear | 5 to 15 mph SSE | 0% |
| Friday | 89°F | Sunny | 5 to 15 mph W | 0% |
| Friday Night | 57°F | Mostly Clear | 5 to 15 mph SW | 0% |
| Saturday | 91°F | Sunny | 10 to 15 mph W | 0% |
| Saturday Night | 58°F | Mostly Clear | 5 to 15 mph SW | 0% |
| Sunday | 91°F | Sunny | 5 to 15 mph WSW | 3% |
| Sunday Night | 59°F | Partly Cloudy | 5 to 15 mph SW | 4% |
| Monday | 90°F | Mostly Sunny | 10 to 15 mph WSW | 10% |
Forecast source: National Weather Service (api.weather.gov) for Hanna (41.870, -106.560). Updated through the day.
Growing snapshot for Hanna
Last spring frost
May 28
First fall frost
Sep 13
Growing season
108 days
Hardiness zone
5a
More local growing data for Hanna: nearby ZIP 82324 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Elk Mtn, Wy (2.1 mi from Hanna). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.