Hanna, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hanna, a town in Carbon County, Wyoming.
Overnight
26°F
Mostly Cloudy
Mostly cloudy, with a low around 26. South wind 0 to 5 mph.
7-day forecast for Hanna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 26°F | Mostly Cloudy | 0 to 5 mph S | 0% |
| Wednesday | 47°F | Mostly Cloudy | 0 to 5 mph ENE | 0% |
| Wednesday Night | 23°F | Mostly Cloudy | 0 to 5 mph SSW | 0% |
| Thursday | 47°F | Sunny | 5 to 10 mph WSW | 0% |
| Thursday Night | 26°F | Partly Cloudy | 5 to 10 mph SW | 0% |
| Friday | 48°F | Mostly Sunny | 10 to 20 mph WSW | 1% |
| Friday Night | 25°F | Mostly Clear | 10 to 15 mph WSW | 4% |
| Saturday | 50°F | Sunny | 10 to 15 mph WSW | 3% |
| Saturday Night | 27°F | Mostly Clear | 10 to 15 mph WSW | 0% |
| Sunday | 57°F | Sunny | 15 to 25 mph WSW | 0% |
| Sunday Night | 33°F | Mostly Clear | 15 to 20 mph WSW | 0% |
| Monday | 57°F | Mostly Sunny | 10 to 20 mph WSW | 0% |
| Monday Night | 34°F | Partly Cloudy | 10 to 15 mph WSW | 0% |
| Tuesday | 56°F | Mostly Sunny | 10 to 20 mph WSW | 3% |
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 Nov 4, 2026.