Weather forecast for 10 daysArimo, ID

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 68°F
  • 30°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphS 187°
  • Humidity: 36%
  • UV index: 4
  • Sunrise: 7:44 am MDT
  • Sunset: 6:43 pm MDT
  • ▼
Today, conditions remain stable and sunny, with little cloud presence.
A wide temperature range is forecasted, from a high of an agreeable 68°F to a low of a harsh 30.2°F.
Expect a warmer feel as the forecasted high matches September's 73°F, rather than October's average of 55.6°F.
Sunrise was at 7:44 am and sunset will be at 6:43 pm; the daylight will last for 10h and 59min.

Sunday Oct 18, 2026

  • 68°F
  • 30°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphS 174°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:45 am MDT
  • Sunset: 6:41 pm MDT
  • ▼
Tomorrow, on Sunday, October 18, golden sunshine will carry through the day.
A significant variation in temperature is expected, ranging from a high of a pleasant 68°F to a low of a subzero 30.2°F.
Tomorrow, weather will feel warmer as the high trends toward September's average of 73°F.
Sunrise will be at 7:45 am and sunset at 6:41 pm; tomorrow's daylight will last for 10h and 56min.

10-day overview

Daily temperatures

Warmest period: today - Monday 68°C.
Coldest day: Friday 48°C.

Chance of precipitation

Highest chance: Friday 76%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 68°F
  • 30°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphS 187°
  • Humidity: 36%
  • UV index: 4
  • Sunrise: 7:44 am MDT
  • Sunset: 6:43 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 68°F
  • 30°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphS 174°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:45 am MDT
  • Sunset: 6:41 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphSSE 159°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:46 am MDT
  • Sunset: 6:40 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 66°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 9mphSSE 155°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 7:48 am MDT
  • Sunset: 6:38 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 7mphSE 139°
  • Humidity: 71%
  • UV index: 4
  • Sunrise: 7:49 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.31"
  • Wind: 8mphSE 146°
  • Humidity: 74%
  • UV index: 3
  • Sunrise: 7:50 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 48°F
  • 32°F
Rain
Rain
  • Precip. probability: 76%
  • Precipitation: 0.35"
  • Wind: 10mphSW 235°
  • Humidity: 94%
  • UV index: 2
  • Sunrise: 7:51 am MDT
  • Sunset: 6:34 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 52°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 8mphSSW 209°
  • Humidity: 74%
  • UV index: 3
  • Sunrise: 7:52 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 55°F
  • 36°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • Wind: 7mphS 169°
  • Humidity: 73%
  • UV index: 3
  • Sunrise: 7:54 am MDT
  • Sunset: 6:31 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 55°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 8mphSSW 193°
  • Humidity: 75%
  • UV index: 3
  • Sunrise: 7:55 am MDT
  • Sunset: 6:29 pm MDT
  • ▼
Models point to a combination of cloud-filled, clear and rain-filled weather is predicted.
Rainfall is predicted for Thursday, Friday and next Sunday.
Temperature fluctuation will be noticeable in the upcoming days. The temperature is expected to swing from 48.2°F up to 68°F, while the variation in nighttime lows will be also notably wide, as temperatures overnight will fluctuate from 30.2°F up to 42.8°F.
The warmest days in Arimo, Idaho, will be Saturday through Monday, with a maximum of 68°F; the coldest day will be Friday, with a maximum of 48.2°F.
Updated: Oct 17, 2026 @ 17:51:12 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, in Arimo, sunshine is expected with little to no cloud cover.

Today, the maximum temperature will be 68°F, while the minimum temperature will be 30.2°F.
The maximum temperature today will be notably higher than the average highest temperature of 55.6°F in October. The lowest temperature today will be a couple of degrees lower than the average low temperature.

On Saturday, in Arimo, sunrise was at 7:44 am and sunset will be at 6:43 pm (MDT).

Today, the daylight will last for 10h and 59min.

On Sunday, mainly sunny conditions will dominate the day.

Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 30.2°F.
Tomorrow, the highest temperature will be noticeably higher than the average maximum of 55.6°F in October. Tomorrow, the lowest temperature will be relatively lower than the average low temperature.

On Sunday, in Arimo, sunrise will be at 7:45 am and sunset at 6:41 pm (MDT).

In Arimo, the length of the day tomorrow will be 10h and 56min.