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: 34%
  • UV index: 4
  • Sunrise: 7:43 am MDT
  • Sunset: 6:40 pm MDT
  • ▼
Today, in Guyaz, sunshine is expected with little to no cloud cover.
Temperature readings will span from a daytime high of a breezy 64.4°F to a night low of an icy 33.8°F.
A forecast high of 64.4°F brings conditions more familiar to September's average than October's.
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 197°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:44 am MDT
  • Sunset: 6:38 pm MDT
  • ▼
Tomorrow, in Guyaz, sunlight and clouds will take turns dominating the sky.
Significant temperature fluctuations from a high of an enjoyable 64.4°F to a low of a cold 35.6°F are predicted.
The predicted high will feel warmer, consistent with September's climate average 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

Warmest period: today - Monday 64°C.
Coldest day: Friday 46°C.

Chance of precipitation

Highest chance: Friday 76%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 64°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 206°
  • Humidity: 34%
  • UV index: 4
  • 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 197°
  • 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: 1%
  • Precipitation: 0"
  • Wind: 9mphS 171°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 8mphSSE 159°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:47 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 63°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 9mphSSE 164°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 7:48 am MDT
  • Sunset: 6:33 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 63°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.31"
  • Wind: 8mphSSE 153°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 7:49 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 46°F
  • 32°F
Rain
Rain
  • Precip. probability: 76%
  • Precipitation: 0.47"
  • Wind: 12mphSSW 211°
  • Humidity: 94%
  • UV index: 1
  • Sunrise: 7:50 am MDT
  • Sunset: 6:30 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 48°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 8mphSSW 201°
  • Humidity: 72%
  • UV index: 3
  • Sunrise: 7:52 am MDT
  • Sunset: 6:29 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 54°F
  • 34°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 9mphS 171°
  • Humidity: 68%
  • UV index: 2
  • Sunrise: 7:53 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphS 183°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 7:54 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
Primarily overcast and occasionally dry and sunny and showery weather is expected.
Rainfall is anticipated on Thursday and Friday.
Substantial differences in temperature are forecasted in the upcoming period. Maximum temperatures are forecasted between 46.4°F and 64.4°F, while the forecast minimum temperature falls between 32°F and 41°F.
The warmest days in Guyaz will be Saturday through Monday, with a maximum of 64.4°F; the lowest daytime temperature of the period will be reached on Friday, peaking at 46.4°F.
Updated: Oct 17, 2026 @ 17:54:57 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, sunshine and minimal clouds are in the outlook.

Today, the highest temperature will be 64.4°F, while the lowest temperature will be 33.8°F.
Today, the maximum temperature will be significantly higher than the average highest temperature of 52.9°F in October. The lowest temperature will be in line with the average low of 34.7°F.

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

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

On Sunday, in Guyaz, expect partly sunny skies with periods of cloudiness.

Tomorrow, the highest temperature in Guyaz will be 64.4°F, while the lowest temperature will be 35.6°F.
The highest temperature tomorrow will be noticeably higher than the average maximum of 52.9°F in October. The lowest temperature will be in line with the average low of 34.7°F.

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

Tomorrow, the daylight will last for 10h and 54min.