Weather forecast for 10 daysAlpine Junction, WY

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 66°F
  • 28°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWSW 241°
  • Humidity: 28%
  • UV index: 3
  • Sunrise: 7:40 am MDT
  • Sunset: 6:38 pm MDT
  • ▼
Today, in Alpine Junction, clear and sunny conditions are expected.
Substantial temperature variations are anticipated, soaring to a maximum of an enjoyable 66.2°F and descending to a minimum of a freezing 28.4°F.
Expect a warmer feel as the forecasted high matches September's 66.6°F, rather than October's average of 48.9°F.
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
  • 28°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphS 169°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:41 am MDT
  • Sunset: 6:36 pm MDT
  • ▼
On Sunday, in Alpine Junction, blue skies and warm sunshine will define the conditions.
A wide temperature range is anticipated, from a high of a breezy 64.4°F to a low of a harsh 28.4°F.
The expected high of 64.4°F appears seasonally off, better matching September's typical values.
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: Saturday 24.10. 46°C.

Chance of precipitation

Highest chance: Friday 77%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 66°F
  • 28°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphWSW 241°
  • Humidity: 28%
  • UV index: 3
  • Sunrise: 7:40 am MDT
  • Sunset: 6:38 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 28°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphS 169°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:41 am MDT
  • Sunset: 6:36 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSSE 155°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:43 am MDT
  • Sunset: 6:34 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 36°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 3mphENE 74°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 7:44 am MDT
  • Sunset: 6:33 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 4mphSE 135°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:31 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 61°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0.12"
  • Wind: 4mphESE 118°
  • Humidity: 79%
  • UV index: 3
  • Sunrise: 7:46 am MDT
  • Sunset: 6:30 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 48°F
  • 32°F
Rain
Rain
  • Precip. probability: 77%
  • Precipitation: 0.47"
  • Wind: 6mphSSW 203°
  • Humidity: 96%
  • UV index: 1
  • Sunrise: 7:47 am MDT
  • Sunset: 6:28 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 46°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 4mphSSW 210°
  • Humidity: 80%
  • UV index: 3
  • Sunrise: 7:49 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 55°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 4mphSE 125°
  • Humidity: 69%
  • UV index: 3
  • Sunrise: 7:50 am MDT
  • Sunset: 6:25 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 4mphSE 139°
  • Humidity: 73%
  • UV index: 3
  • Sunrise: 7:51 am MDT
  • Sunset: 6:24 pm MDT
  • ▼
Looking ahead, conditions suggest a period of overcast, clear and damp weather is predicted.
Rainfall is predicted for Thursday and Friday.
Noticeable swings in temperature are expected over the next several days. Forecast highs will fluctuate between 46.4°F and 66.2°F, while the lowest temperature will be between 28.4°F and 39.2°F.
The warmest day is today, with a maximum temperature of 66.2°F; expect the coldest day on next Saturday with a high of 46.4°F.
Updated: Oct 17, 2026 @ 20:47:27 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, mainly sunny conditions will dominate the day.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 28.4°F.
Tomorrow, the highest temperature will be uncommonly higher than the average maximum of 48.9°F in October. The lowest temperature tomorrow will be in line with the average low temperature.

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

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