Weather forecast for 10 daysEtna, WY

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 66°F
  • 25°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSW 216°
  • Humidity: 39%
  • UV index: 4
  • Sunrise: 7:40 am MDT
  • Sunset: 6:38 pm MDT
  • ▼
On Saturday, in Etna, bright and sunny weather is expected.
Temperatures are set to span a considerable range, with a high of a breezy 66.2°F and a low of a subzero 24.8°F.
Today, expect a warmer trend, with a high of 66.2°F more common in September.
Sunrise was at 7:40 am and sunset will be at 6:38 pm; the daylight will last for 10h and 58min.

Sunday Oct 18, 2026

  • 64°F
  • 27°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSSW 196°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:41 am MDT
  • Sunset: 6:36 pm MDT
  • ▼
On Sunday, October 18, a glowing sky and minimal clouds are expected.
A substantial temperature fluctuation from an enjoyable 64.4°F at its peak to a freezing 26.6°F at its lowest point is forecasted.
Meteorological data shows 64.4°F is more characteristic of September's climate profile than October's.
Sunrise will be at 7:41 am and sunset at 6:36 pm; tomorrow's daylight will last for 10h and 55min.

10-day overview

Daily temperatures

Warmest day: today 66°C.
Coldest day: Friday 46°C.

Chance of precipitation

Highest chance: Friday 75%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 66°F
  • 25°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSW 216°
  • Humidity: 39%
  • UV index: 4
  • Sunrise: 7:40 am MDT
  • Sunset: 6:38 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 27°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSSW 196°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:41 am MDT
  • Sunset: 6:36 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 64°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSSE 163°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:42 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 61°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 3mphE 87°
  • Humidity: 73%
  • UV index: 3
  • Sunrise: 7:44 am MDT
  • Sunset: 6:33 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 63°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 4mphSE 134°
  • Humidity: 73%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:31 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 63°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0.24"
  • Wind: 4mphESE 118°
  • Humidity: 76%
  • UV index: 3
  • Sunrise: 7:46 am MDT
  • Sunset: 6:30 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 46°F
  • 30°F
Rain
Rain
  • Precip. probability: 75%
  • Precipitation: 0.55"
  • Wind: 6mphSSW 212°
  • Humidity: 95%
  • UV index: 1
  • Sunrise: 7:47 am MDT
  • Sunset: 6:28 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 50°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 4mphS 191°
  • Humidity: 74%
  • UV index: 3
  • Sunrise: 7:48 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 54°F
  • 30°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.16"
  • Wind: 4mphESE 115°
  • Humidity: 72%
  • UV index: 3
  • Sunrise: 7:50 am MDT
  • Sunset: 6:25 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 4mphSSE 164°
  • Humidity: 75%
  • UV index: 3
  • Sunrise: 7:51 am MDT
  • Sunset: 6:24 pm MDT
  • ▼
Looking ahead, conditions suggest a period of cloud-filled, sun-filled and showery weather is forecasted.
Rain is forecasted for Thursday, Friday and next Sunday.
The temperature will vary considerably over the next several days. Maximum temperatures are forecasted between 46.4°F and 66.2°F, while the variation in nighttime lows will be also notably wide, as temperatures overnight will fluctuate from 24.8°F up to 37.4°F.
With a high of 66.2°F, today is the warmest day; with the highest temperature of 46.4°F, Friday will be the coldest day.
Updated: Oct 17, 2026 @ 16:53:28 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Etna, skies will stay clear and sunny.

Today, the highest temperature will be 66.2°F, while the lowest temperature will be 24.8°F.
Today, the maximum temperature will be significantly higher than the average highest temperature of 48.9°F in October. The lowest temperature today will be moderately lower than the average low temperature.

On Saturday, in Etna, sunrise was at 7:40 am and sunset will be at 6:38 pm (MDT).

In Etna, today, there will be 10h and 58min of daylight.

Tomorrow, sunny intervals will be long-lasting, with few disruptions.

Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 26.6°F.
Tomorrow, the highest temperature will be noticeably higher than the average maximum of 48.9°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Etna, sunrise will be at 7:41 am and sunset at 6:36 pm (MDT).

Tomorrow, the daylight will last for 10h and 55min.