Weather forecast for tomorrowIrwin, ID
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 32°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 176°
- Humidity: 44%
- UV index: 4
- Sunrise: 7:43 am MDT
- Sunset: 6:37 pm MDT
- details ▼
Tomorrow, on Sunday, the sky will feature a blend of clouds and sunshine.
Temperature readings will span from a daytime high of a breezy 66.2°F to a night low of a wintry 32°F.
Tomorrow, the anticipated high will be higher and much closer to September's average high of 66.6°F than October's 48.9°F.
Sunrise will be at 7:43 am and sunset at 6:37 pm; tomorrow's daylight will last for 10h and 54min.
Temperature readings will span from a daytime high of a breezy 66.2°F to a night low of a wintry 32°F.
Tomorrow, the anticipated high will be higher and much closer to September's average high of 66.6°F than October's 48.9°F.
Sunrise will be at 7:43 am and sunset at 6:37 pm; tomorrow's daylight will last for 10h and 54min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 34°C.
Coldest hour: 6 am 34°C.
Chance of precipitation
Highest chance: 1%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 130°
- Humidity: 61%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 37°F
- Feels like:34°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 125°
- Humidity: 68%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 36°F
- Feels like:32°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphSE 143°
- Humidity: 67%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 34°F
- Feels like:30°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphSE 125°
- Humidity: 70%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:43 am
- 8 am
- 34°F
- Feels like:28°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSE 128°
- Humidity: 69%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 45°F
- Feels like:43°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSE 135°
- Humidity: 54%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 170°
- Humidity: 36%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSE 168°
- Humidity: 29%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphWSW 251°
- Humidity: 29%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphW 267°
- Humidity: 38%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:37 pm
- 8 pm
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 124°
- Humidity: 55%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSE 132°
- Humidity: 64%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of cloudy and mostly clear weather is predicted.
The temperature will vary between the lowest temperature of 33.8°F and the highest temperature of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the expected high matches September's average of 66.6°F more than October's. Tomorrow, the temperature will drop to a level in line with October's average minimum of 29.1°F.
The temperature will vary between the lowest temperature of 33.8°F and the highest temperature of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the expected high matches September's average of 66.6°F more than October's. Tomorrow, the temperature will drop to a level in line with October's average minimum of 29.1°F.
Updated: Oct 17, 2026 @ 21:18:55 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, in Irwin, occasional clouds will pass by, but expect bright spells.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 32°F.
The highest temperature will be uncommonly higher than the average maximum of 48.9°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The highest temperature will be uncommonly higher than the average maximum of 48.9°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Irwin, sunrise will be at 7:43 am and sunset at 6:37 pm (MDT).
In Irwin, Idaho, tomorrow, there will be 10h and 54min of daylight.





