Etna, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Etna, a community in Lincoln County, Wyoming.
Overnight
41°F
Patchy Fog
Patchy fog and a chance of showers and thunderstorms. Mostly cloudy, with a low around 41. Northwest wind around 1 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Etna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 41°F | Patchy Fog | 1 mph NW | 27% |
| Saturday | 60°F | Patchy Fog | 0 to 3 mph NNW | 54% |
| Saturday Night | 34°F | Chance Showers And Thunderstorms then Patchy Fog | 0 to 3 mph NNE | 31% |
| Sunday | 63°F | Mostly Sunny | 2 mph NNW | 0% |
| Sunday Night | 34°F | Mostly Clear | 0 to 3 mph NNW | 0% |
| Monday | 72°F | Sunny | 2 mph N | 0% |
| Monday Night | 37°F | Partly Cloudy | 2 mph SE | 0% |
| Tuesday | 73°F | Mostly Sunny | 1 mph E | 4% |
| Tuesday Night | 40°F | Chance Showers And Thunderstorms | 3 mph SE | 30% |
| Wednesday | 72°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 1 mph S | 20% |
| Wednesday Night | 38°F | Partly Cloudy | 3 mph SSE | 6% |
| Thursday | 76°F | Sunny | 2 mph S | 4% |
| Thursday Night | 39°F | Partly Cloudy | 5 mph SSE | 2% |
| Friday | 76°F | Mostly Sunny | 3 mph S | 5% |
Forecast source: National Weather Service (api.weather.gov) for Etna (43.033, -111.013). Updated through the day.
Growing snapshot for Etna
Growing season
67 days
Hardiness zone
5b
More local growing data for Etna: nearby ZIP 83118 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Afton
Auburn
Bedford
Cokeville
Diamondville
Fairview
Fontenelle
Freedom
Grover
Kemmerer
La Barge
Nordic
Oakley
Opal
Osmond
Smoot
Star Valley Ranch
Taylor
Thayne
Turnerville
Climate data from the nearest NOAA station, Bedford 3 Se, Wy (12.1 mi from Etna). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.