Weather forecast for tomorrowAltamont, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphSSE 160°
- Humidity: 49%
- UV index: 5
- Sunrise: 7:07 am CDT
- Sunset: 6:12 pm CDT
- details ▼
Tomorrow, on Sunday, sunshine is expected with little to no cloud cover.
A daytime temperature reaching up to a comfortable 66.2°F will sharply contrast with a nighttime low of an icy 37.4°F.
Tomorrow's forecasted high will be in line with October's typical peak of 65.1°F.
Sunrise will be at 7:07 am and sunset at 6:12 pm; tomorrow's daylight will last for 11h and 4min.
A daytime temperature reaching up to a comfortable 66.2°F will sharply contrast with a nighttime low of an icy 37.4°F.
Tomorrow's forecasted high will be in line with October's typical peak of 65.1°F.
Sunrise will be at 7:07 am and sunset at 6:12 pm; tomorrow's daylight will last for 11h and 4min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 70°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphSSE 156°
- Humidity: 78%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphSSE 164°
- Humidity: 83%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 0mphSSE 148°
- Humidity: 88%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphSE 131°
- Humidity: 90%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:07 am
- 8 am
- 43°F
- Feels like:43°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphSE 131°
- Humidity: 87%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSSE 149°
- Humidity: 54%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphSSE 163°
- Humidity: 37%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSSE 149°
- Humidity: 29%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSSE 150°
- Humidity: 28%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphESE 124°
- Humidity: 40%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:12 pm
- 8 pm
- 54°F
- Feels like:54°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 0mphE 97°
- Humidity: 66%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:50°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 0mphE 87°
- Humidity: 75%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a cloudless sky and mainly sunshiny weather are expected.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 69.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature tomorrow will be alike with October's average high. The minimum temperature tomorrow will be more in line with November's average low of 37°F than October's average of 48.6°F.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 69.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature tomorrow will be alike with October's average high. The minimum temperature tomorrow will be more in line with November's average low of 37°F than October's average of 48.6°F.
Updated: Oct 18, 2026 @ 04:21:24 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, in Altamont, the outlook remains bright and sunny.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 48.6°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 48.6°F.
On Sunday, in Altamont, sunrise will be at 7:07 am and sunset at 6:12 pm (CDT).
In Altamont, tomorrow, there will be 11h and 4min of daylight.





