Weather forecast for 10 daysChester, ID

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSW 212°
  • Humidity: 44%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
Tomorrow, on Sunday, October 18, moments of sunshine will break through the patchy clouds.
The daytime temperature will peak at a comfortable 64.4°F, significantly contrasting with the night's low of a cold 32°F.
A high of 64.4°F is expected, which resembles September's climate average of 72.5°F more than October's 53.8°F.
Sunrise will be at 7:45 am and sunset at 6:37 pm; tomorrow's daylight will last for 10h and 53min.

10-day overview

Daily temperatures

Warmest day: Monday 66°C.
Coldest day: Saturday 24.10. 46°C.

Chance of precipitation

Highest chance: Friday 81%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 30°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphENE 63°
  • Humidity: 74%
  • UV index: 0
  • Sunrise: 7:43 am MDT
  • Sunset: 6:39 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSW 212°
  • Humidity: 44%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSW 193°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:46 am MDT
  • Sunset: 6:36 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 64°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphSSE 147°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:47 am MDT
  • Sunset: 6:34 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 7mphSSE 157°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:48 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 63°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.31"
  • Wind: 6mphSSE 147°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 7:50 am MDT
  • Sunset: 6:31 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 50°F
  • 30°F
Rain
Rain
  • Precip. probability: 81%
  • Precipitation: 0.51"
  • Wind: 11mphSW 216°
  • Humidity: 92%
  • UV index: 1
  • Sunrise: 7:51 am MDT
  • Sunset: 6:29 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 46°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 9mphSW 215°
  • Humidity: 78%
  • UV index: 3
  • Sunrise: 7:52 am MDT
  • Sunset: 6:28 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 54°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 7mphS 169°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:54 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 52°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 7mphS 179°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 7:55 am MDT
  • Sunset: 6:25 pm MDT
  • ▼
Models point to a combination of primarily cloudy and occasionally bright and showery weather is predicted.
Rain is forecasted for Thursday and Friday.
Substantial differences in temperature are forecasted in the coming days. The maximum temperature will vary between 46.4°F and 66.2°F, while the lowest temperature will be between 30.2°F and 41°F.
The warmest day will be Monday, with a maximum of 66.2°F; next Saturday will be the coldest day, with the highest temperature of 46.4°F.
Updated: Oct 18, 2026 @ 05:42:12 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, expect partly sunny skies with periods of cloudiness.

Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 32°F.
Tomorrow, the maximum temperature will be uncommonly higher than the average highest temperature of 53.8°F in October. The lowest temperature tomorrow will be in line with the average low temperature.

On Sunday, in Chester, sunrise will be at 7:45 am and sunset at 6:37 pm (MDT).

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