Weather in Etna, WY
Updated 2026-09-26 09:00 local time · ZIP codes 83118
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
51°3% rain56°2% rain60°1% rain63°1% rain65°1% rain66°1% rain67°1% rain
67°9% rain65°9% rain
62°6% rain
55°3% rain
51°3% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 9%).
It feels like 46°F with winds near 2 mph.
66°F, 1% rain chance and 13 mph wind.
Visibility is around 6 mi; gusts may reach 27 mph.
Current temperature is 51°F, wind 2 mph, rain chance up to 9%.
UV index is 1.
Local weather characteristics in Etna
Wyoming is generally dry, windy and high-elevation. Mountain weather can change quickly, with colder temperatures and heavier snow than nearby basins and plains.
Etna is part of the West weather region. The forecast point is near 43.03°N latitude and 111.01°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Etna weather today
Sunny and 51°F in Etna, WY. Today's high is 67°F with a 4% rain chance. Winds are around 2 mph with gusts near 2 mph. Relative humidity is 54%, pressure is 30.02 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Etna
Sunrise is at 07:15 AM and sunset is at 07:14 PM. Tomorrow's forecast calls for Overcast with a high near 70°F and a low near 45°F. The maximum rain chance is 57%.