Weather forecast for 10 daysIrwin, ID

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 177°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:43 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
Tomorrow, on Sunday, October 18, patchy clouds will move across the sky, allowing for sunshine at times.
A significant variation in temperature is predicted, ranging from a high of an enjoyable 66.2°F to a low of a cold 33.8°F.
Tomorrow, weather will feel warmer as the high trends toward September's average of 66.6°F.
Sunrise will be at 7:43 am and sunset at 6:37 pm; tomorrow's daylight will last for 10h and 54min.

10-day overview

Daily temperatures

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

Chance of precipitation

Highest chance: Friday 77%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 32°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphSE 138°
  • Humidity: 53%
  • UV index: 0
  • Sunrise: 7:42 am MDT
  • Sunset: 6:38 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 177°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:43 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 164°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:44 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 41°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 5mphSSE 167°
  • Humidity: 64%
  • UV index: 2
  • Sunrise: 7:45 am MDT
  • Sunset: 6:34 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 6mphSSE 153°
  • Humidity: 69%
  • UV index: 3
  • Sunrise: 7:46 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 63°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0.16"
  • Wind: 7mphSSE 150°
  • Humidity: 74%
  • UV index: 3
  • Sunrise: 7:48 am MDT
  • Sunset: 6:31 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 48°F
  • 32°F
Rain
Rain
  • Precip. probability: 77%
  • Precipitation: 0.51"
  • Wind: 7mphSSW 205°
  • Humidity: 96%
  • UV index: 1
  • Sunrise: 7:49 am MDT
  • Sunset: 6:29 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 46°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 6mphSSW 204°
  • Humidity: 79%
  • UV index: 3
  • Sunrise: 7:50 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 55°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 7mphSSE 160°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:51 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 6mphS 176°
  • Humidity: 72%
  • UV index: 3
  • Sunrise: 7:53 am MDT
  • Sunset: 6:25 pm MDT
  • ▼
Primarily overcast and occasionally dry and sunny and showery weather is anticipated.
Rainfall is anticipated on Thursday and Friday.
There will be a considerable variation in temperature in the coming days. The maximum temperature will vary between 46.4°F and 66.2°F, while the low temperature range extends from 32°F to 42.8°F.
Sunday and Monday, with the highest temperature of 66.2°F, will be the warmest days in Irwin; the coldest day will be next Saturday, with a maximum of 46.4°F.
Updated: Oct 17, 2026 @ 22:28:14 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Irwin, some passing clouds may drift through, but the sun will shine at times.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 33.8°F.
The maximum temperature will be notably higher than the average highest temperature of 48.9°F in October. Tomorrow, the lowest temperature will be a few degrees higher than the average low temperature.

On Sunday, in Irwin, sunrise will be at 7:43 am and sunset at 6:37 pm (MDT).

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