Weather forecast for 10 daysGuernsey, WY

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 75°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphWSW 241°
  • Humidity: 24%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
On Saturday, October 17, the forecast calls for abundant sunshine.
Considerable temperature fluctuations from a high of a moderately hot 75.2°F to a low of an icy 39.2°F are forecasted.
This October day will feature warmer weather, consistent with September's average of 77.2°F.
Sunrise was at 7:14 am and sunset will be at 6:14 pm; the daylight will last for 10h and 59min.

Sunday Oct 18, 2026

  • 72°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphN 0°
  • Humidity: 38%
  • UV index: 4
  • Sunrise: 7:15 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
On Sunday, in Guernsey, a bright and mostly cloud-free sky is in store.
Dramatic temperature shifts from a high of a delightful 71.6°F to a low of an icy 37.4°F are predicted.
Tomorrow, the maximum temperature of 71.6°F will resemble September's climate more than October's.
Sunrise will be at 7:15 am and sunset at 6:12 pm; tomorrow's daylight will last for 10h and 57min.

10-day overview

Daily temperatures

Maximum temperature: 75°C.
Coldest day: Saturday 24.10. 57°C.

Chance of precipitation

Highest chance: Friday 34%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 75°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphWSW 241°
  • Humidity: 24%
  • UV index: 4
  • Sunrise: 7:14 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 72°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphN 0°
  • Humidity: 38%
  • UV index: 4
  • Sunrise: 7:15 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 12mphESE 117°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:16 am MDT
  • Sunset: 6:10 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphWSW 251°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:17 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphSSW 192°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:19 am MDT
  • Sunset: 6:07 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 10mphSE 135°
  • Humidity: 55%
  • UV index: 3
  • Sunrise: 7:20 am MDT
  • Sunset: 6:06 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 72°F
  • 43°F
PM Showers
PM Showers
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Wind: 11mphSW 218°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:21 am MDT
  • Sunset: 6:04 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 57°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 14mphNW 326°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:22 am MDT
  • Sunset: 6:03 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 61°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 11mphSE 135°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:23 am MDT
  • Sunset: 6:02 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 63°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphS 183°
  • Humidity: 55%
  • UV index: 3
  • Sunrise: 7:25 am MDT
  • Sunset: 6:00 pm MDT
  • ▼
Over the next ten days, a mix of sunny, overcast and rain-filled weather is forecasted.
With a 34% probability, rainfall is predicted only for Friday. Predicted precipitation will be minimal at 0.04".
Temperature fluctuation will be noticeable throughout the forecast window. The maximum temperature will vary between 57.2°F and 75.2°F, while the forecast minimum temperature falls between 37.4°F and 48.2°F.
Saturday and Thursday, with the highest temperature of 75.2°F, will be the warmest days in Guernsey; the coldest day will be next Saturday, with a maximum of 57.2°F.
Updated: Oct 17, 2026 @ 17:20:13 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, sunny conditions are expected to continue.

Today, the maximum temperature will be 75.2°F, while the minimum temperature will be 39.2°F.
The highest temperature will be notably higher than the average maximum of 59.4°F in October. The lowest temperature will be in line with the average low of 40.5°F.

On Saturday, in Guernsey, sunrise was at 7:14 am and sunset will be at 6:14 pm (MDT).

In Guernsey, today, there will be 10h and 59min of daylight.

Tomorrow, in Guernsey, sunshine will prevail for most of the day.

Tomorrow, the highest temperature in Guernsey will be 71.6°F, while the lowest temperature will be 37.4°F.
The highest temperature tomorrow will be noticeably higher than the average maximum of 59.4°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Guernsey, sunrise will be at 7:15 am and sunset at 6:12 pm (MDT).

Tomorrow, the daylight will last for 10h and 57min.