Weather forecast for 10 daysGuyaz, ID

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 64°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 206°
  • Humidity: 30%
  • UV index: 3
  • Sunrise: 7:43 am MDT
  • Sunset: 6:40 pm MDT
  • ▼
Today, sunny skies are in store, with excellent visibility.
The highest daytime temperature will touch a breezy 64.4°F, creating a significant contrast with the forecasted nighttime low of a wintry 33.8°F.
With a forecast of 64.4°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise was at 7:43 am and sunset will be at 6:40 pm; the daylight will last for 10h and 57min.

Sunday Oct 18, 2026

  • 64°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 198°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:44 am MDT
  • Sunset: 6:38 pm MDT
  • ▼
Tomorrow, on Sunday, October 18, moderate cloud cover will mix with sunshine throughout the day.
Dramatic temperature shifts from a high of an enjoyable 64.4°F to a low of a wintry 35.6°F are predicted.
Tomorrow, expect conditions that are warmer than normal, with a temperature that reflects September's typical maximum of 71.2°F.
Sunrise will be at 7:44 am and sunset at 6:38 pm; tomorrow's daylight will last for 10h and 54min.

10-day overview

Daily temperatures

Maximum temperature: 64°C.
Coldest day: Saturday 24.10. 45°C.

Chance of precipitation

Highest chance: Friday 75%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 64°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 206°
  • Humidity: 30%
  • UV index: 3
  • Sunrise: 7:43 am MDT
  • Sunset: 6:40 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 198°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:44 am MDT
  • Sunset: 6:38 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 64°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 173°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 41°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphSSE 161°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:47 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 9mphSSE 161°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:48 am MDT
  • Sunset: 6:33 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 61°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.16"
  • Wind: 9mphSSE 163°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 7:49 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 46°F
  • 30°F
Rain
Rain
  • Precip. probability: 75%
  • Precipitation: 0.43"
  • Wind: 11mphSW 217°
  • Humidity: 96%
  • UV index: 1
  • Sunrise: 7:50 am MDT
  • Sunset: 6:30 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 45°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 8mphSSW 210°
  • Humidity: 79%
  • UV index: 3
  • Sunrise: 7:52 am MDT
  • Sunset: 6:29 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 54°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 9mphS 171°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:53 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 50°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 7mphS 191°
  • Humidity: 75%
  • UV index: 3
  • Sunrise: 7:54 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
During the ten-day period, cloud-filled, sunny and showery weather is predicted.
Rainfall is expected on Thursday and Friday.
Temperature differences will be noticeable in the upcoming days. The maximum temperature will vary between 44.6°F and 64.4°F, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 30.2°F and 42.8°F.
With a maximum temperature of 64.4°F, Saturday through Monday and Wednesday will be the warmest days in Guyaz, Idaho; the coldest day will be next Saturday, with a maximum of 44.6°F.
Updated: Oct 17, 2026 @ 20:32:52 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, conditions will remain bright with clear skies.

Today, the highest temperature will be 64.4°F, while the lowest temperature will be 33.8°F.
The maximum temperature will be noticeably higher than the average highest temperature of 52.9°F in October. Today, the lowest temperature will be in line with the average low temperature.

On Saturday, in Guyaz, sunrise was at 7:43 am and sunset will be at 6:40 pm (MDT).

In Guyaz, Idaho, the length of the day today will be 10h and 57min.

On Sunday, patchy clouds will move across the sky, allowing for sunshine at times.

Tomorrow, the maximum temperature in Guyaz will be 64.4°F, while the minimum temperature will be 35.6°F.
The highest temperature will be notably higher than the average maximum of 52.9°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Guyaz, sunrise will be at 7:44 am and sunset at 6:38 pm (MDT).

In Guyaz, the length of the day tomorrow will be 10h and 54min.