Weather forecast for 10 daysBorder, ID

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 30°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphN 11°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:40 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
Tomorrow, bright and sunny weather is also expected.
The highest daytime temperature will touch an enjoyable 64.4°F, creating a significant contrast with the predicted nighttime low of a harsh 30.2°F.
Tomorrow, climate comparisons show a temperature closer to September's 68.4°F than October's 50.7°F.
Sunrise will be at 7:40 am and sunset at 6:37 pm; tomorrow's daylight will last for 10h and 57min.

10-day overview

Daily temperatures

Maximum temperature: 64°C.
Coldest period: Friday - Saturday 48°C.

Chance of precipitation

Highest chance: Friday 79%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 27°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNE 53°
  • Humidity: 61%
  • UV index: 0
  • Sunrise: 7:39 am MDT
  • Sunset: 6:39 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 30°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphN 11°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:40 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 64°F
  • 34°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSSE 165°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:41 am MDT
  • Sunset: 6:36 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 6mphS 186°
  • Humidity: 65%
  • UV index: 3
  • Sunrise: 7:43 am MDT
  • Sunset: 6:34 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphSE 135°
  • Humidity: 69%
  • UV index: 4
  • Sunrise: 7:44 am MDT
  • Sunset: 6:33 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 61°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.24"
  • Wind: 9mphSE 132°
  • Humidity: 75%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:31 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 48°F
  • 30°F
Rain
Rain
  • Precip. probability: 79%
  • Precipitation: 0.31"
  • Wind: 9mphWSW 243°
  • Humidity: 92%
  • UV index: 2
  • Sunrise: 7:46 am MDT
  • Sunset: 6:30 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 48°F
  • 28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 6mphWNW 285°
  • Humidity: 78%
  • UV index: 3
  • Sunrise: 7:47 am MDT
  • Sunset: 6:28 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 54°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 7mphSE 134°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 7:49 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 32°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 7mphSSE 166°
  • Humidity: 69%
  • UV index: 3
  • Sunrise: 7:50 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
Models point to a combination of dry and sunny, dull and rainy weather is forecasted.
Rainfall is forecasted for Thursday and Friday.
There will be a considerable variation in temperature in the upcoming period. Forecast highs will fluctuate between 48.2°F and 64.4°F, while the variation in nighttime lows will be also notably wide, as temperatures overnight will fluctuate from 26.6°F up to 39.2°F.
With a maximum temperature of 64.4°F, Sunday, Monday and Wednesday will be the warmest days; Friday and next Saturday, with the highest temperature of 48.2°F, will be the coldest days.
Updated: Oct 18, 2026 @ 01:27:41 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Border, sunny and dry conditions are anticipated.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 30.2°F.
The maximum temperature will be significantly higher than the average highest temperature of 50.7°F in October. The lowest temperature will be in line with the average low of 31.5°F.

On Sunday, in Border, sunrise will be at 7:40 am and sunset at 6:37 pm (MDT).

In Border, the length of the day tomorrow will be 10h and 57min.