Weather forecast for 10 daysThermopolis, WY

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 72°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphS 187°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:29 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
On Saturday, October 17, skies are expected to be clear and full of sunshine.
The day will see a remarkable high of a delightful 71.6°F, sharply contrasting with a low of a wintry 41°F.
Today, the maximum temperature will be higher and more reflective of September's average high of 73°F than October's of 54.9°F.
Sunrise will be at 7:29 am and sunset at 6:26 pm; the daylight will last for 10h and 56min.

Sunday Oct 18, 2026

  • 68°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphNNE 25°
  • Humidity: 40%
  • UV index: 4
  • Sunrise: 7:31 am MDT
  • Sunset: 6:24 pm MDT
  • ▼
Tomorrow, on Sunday, conditions will remain bright with clear skies.
A stark contrast will be observed between the day's peak temperature of an agreeable 68°F and the night's low of an icy 39.2°F.
Tomorrow, the temperature will be higher and more consistent with September's typical high of 73°F than with October's 54.9°F.
Sunrise will be at 7:31 am and sunset at 6:24 pm; tomorrow's daylight will last for 10h and 53min.

10-day overview

Daily temperatures

Warmest day: today 72°C.
Minimum temperature: 55°C.

Chance of precipitation

Highest chance: Saturday 24.10. 41%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 72°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphS 187°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:29 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 68°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphNNE 25°
  • Humidity: 40%
  • UV index: 4
  • Sunrise: 7:31 am MDT
  • Sunset: 6:24 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 10mphS 187°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:32 am MDT
  • Sunset: 6:23 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 68°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphSSE 149°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:33 am MDT
  • Sunset: 6:21 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 68°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphS 169°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:34 am MDT
  • Sunset: 6:19 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphS 186°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:36 am MDT
  • Sunset: 6:18 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 68°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.16"
  • Wind: 14mphSSW 203°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:37 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 55°F
  • 39°F
AM Showers
AM Showers
  • Precip. probability: 41%
  • Precipitation: 0.04"
  • Wind: 8mphN 7°
  • Humidity: 72%
  • UV index: 3
  • Sunrise: 7:38 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 57°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 9mphSSW 194°
  • Humidity: 65%
  • UV index: 3
  • Sunrise: 7:39 am MDT
  • Sunset: 6:13 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 55°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 9mphSW 224°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:41 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
During the ten-day period, sunny, dull and rain-filled weather is predicted.
Rain is predicted for Friday and next Saturday.
There will be a considerable variation in temperature in the upcoming period. Highs will range from 55.4°F to 71.6°F, while the difference in minimum temperatures will be also substantial, as nighttime lows are forecast to fall between 37.4°F and 51.8°F.
The warmest day is today, with a maximum temperature of 71.6°F; the coldest days will be next Saturday and Monday, with a maximum of 55.4°F.
Updated: Oct 17, 2026 @ 12:53:17 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Thermopolis, sun-filled conditions are expected to persist.

Today, the maximum temperature will be 71.6°F, while the minimum temperature will be 41°F.
The highest temperature today will be noticeably higher than the average maximum of 54.9°F in October. The lowest temperature will be relatively higher than the average low of 37°F.

On Saturday, in Thermopolis, sunrise will be at 7:29 am and sunset at 6:26 pm (MDT).

Today, the daylight will last for 10h and 56min.

Tomorrow, in Thermopolis, expect bright skies and plenty of sunshine.

Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 39.2°F.
Tomorrow, the maximum temperature will be significantly higher than the average highest temperature of 54.9°F in October. The lowest temperature will be in line with the average low of 37°F.

On Sunday, in Thermopolis, sunrise will be at 7:31 am and sunset at 6:24 pm (MDT).

Tomorrow, the daylight will last for 10h and 53min.