Weather forecast for tomorrowAlton, ID
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 28°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphNNE 17°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:41 am MDT
- Sunset: 6:38 pm MDT
- details ▼
Tomorrow, bright and sunny weather is also expected.
Considerable temperature fluctuations from a high of an enjoyable 64.4°F to a low of a harsh 28.4°F are anticipated.
Tomorrow, the weather pattern will resemble September more than October, with a forecast high of 64.4°F.
Sunrise will be at 7:41 am and sunset at 6:38 pm; tomorrow's daylight will last for 10h and 57min.
Considerable temperature fluctuations from a high of an enjoyable 64.4°F to a low of a harsh 28.4°F are anticipated.
Tomorrow, the weather pattern will resemble September more than October, with a forecast high of 64.4°F.
Sunrise will be at 7:41 am and sunset at 6:38 pm; tomorrow's daylight will last for 10h and 57min.
Hourly overview
Hourly temperatures
Warmest period: 3 pm - 6 pm 61°C.
Coldest period: 3 am - 6 am 32°C.
Coldest period: 3 am - 6 am 32°C.
Chance of precipitation
Highest chance: 3 am - 6 am 3%.
Hourly weather forecast
- 12 am
- 36°F
- Feels like:34°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphNE 38°
- Humidity: 79%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 34°F
- Feels like:30°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNE 37°
- Humidity: 85%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 32°F
- Feels like:28°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNE 36°
- Humidity: 87%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 32°F
- Feels like:27°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNE 41°
- Humidity: 89%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:41 am
- 8 am
- 30°F
- Feels like:27°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphENE 62°
- Humidity: 93%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 43°F
- Feels like:41°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphE 92°
- Humidity: 70%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 54°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSE 143°
- Humidity: 50%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 190°
- Humidity: 42%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 230°
- Humidity: 38%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphWNW 284°
- Humidity: 42%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:38 pm
- 8 pm
- 50°F
- Feels like:48°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNNE 28°
- Humidity: 61%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 45°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphNE 41°
- Humidity: 75%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily sun-filled and occasionally cloudy weather is anticipated.
The temperature will be between the lowest temperature of 30.2°F and the highest temperature of 62.6°F. The warmest part of the day will be around 4 pm.
The highest temperature tomorrow will resemble September's average maximum of 68°F more than October's average. The nighttime low tomorrow will be similar to October's typical minimum temperature.
The temperature will be between the lowest temperature of 30.2°F and the highest temperature of 62.6°F. The warmest part of the day will be around 4 pm.
The highest temperature tomorrow will resemble September's average maximum of 68°F more than October's average. The nighttime low tomorrow will be similar to October's typical minimum temperature.
Updated: Oct 18, 2026 @ 05:59:39 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
Tomorrow, sunshine and minimal clouds are in the outlook.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 28.4°F.
The highest temperature will be significantly higher than the average maximum of 50.5°F in October. The lowest temperature will be in line with the average low of 30.4°F.
The highest temperature will be significantly higher than the average maximum of 50.5°F in October. The lowest temperature will be in line with the average low of 30.4°F.
On Sunday, in Alton, sunrise will be at 7:41 am and sunset at 6:38 pm (MDT).
In Alton, tomorrow, there will be 10h and 57min of daylight.





