Weather forecast for tomorrowAlton, MO
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphESE 119°
- Humidity: 54%
- UV index: 5
- Sunrise: 7:15 am CDT
- Sunset: 6:25 pm CDT
- details ▼
Tomorrow, on Sunday, sunshine is forecasted under mostly clear skies.
Significant temperature fluctuations from a high of a comfortable 66.2°F to a low of a cold 39.2°F are predicted.
Tomorrow, the predicted temperature will match October's typical high of 69.1°F.
Sunrise will be at 7:15 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 10min.
Significant temperature fluctuations from a high of a comfortable 66.2°F to a low of a cold 39.2°F are predicted.
Tomorrow, the predicted temperature will match October's typical high of 69.1°F.
Sunrise will be at 7:15 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 10min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 70°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°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: 2mphE 96°
- Humidity: 82%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphE 97°
- Humidity: 85%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphE 92°
- Humidity: 90%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphNE 47°
- Humidity: 90%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:15 am
- 8 am
- 45°F
- Feels like:45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphNNE 32°
- Humidity: 87%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphSE 127°
- Humidity: 57%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSE 156°
- Humidity: 42%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 144°
- Humidity: 38%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 129°
- Humidity: 38%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphESE 109°
- Humidity: 46%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:25 pm
- 8 pm
- 55°F
- Feels like:55°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphE 94°
- Humidity: 68%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphENE 72°
- Humidity: 77%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, primarily bright and occasionally overcast weather is expected.
The temperature will vary between a minimum of 41°F and a maximum of 69.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature tomorrow will be in line with October's typical maximum. Tomorrow, the overnight low is more consistent with November's usual minimum of 39.7°F than October's 49.8°F.
The temperature will vary between a minimum of 41°F and a maximum of 69.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature tomorrow will be in line with October's typical maximum. Tomorrow, the overnight low is more consistent with November's usual minimum of 39.7°F than October's 49.8°F.
Updated: Oct 18, 2026 @ 04:14:35 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, the forecast calls for abundant sunshine.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 39.2°F.
The maximum temperature will be in line with the average highest temperature of 69.1°F in October. The lowest temperature will be uncommonly lower than the average low of 49.8°F.
The maximum temperature will be in line with the average highest temperature of 69.1°F in October. The lowest temperature will be uncommonly lower than the average low of 49.8°F.
On Sunday, in Alton, sunrise will be at 7:15 am and sunset at 6:25 pm (CDT).
Tomorrow, the daylight will last for 11h and 10min.
