Weather forecast for 10 daysBethalto, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 10mphSSE 160°
- Humidity: 62%
- UV index: 5
- Sunrise: 7:12 am CDT
- Sunset: 6:17 pm CDT
- details ▼
Today, sunny moments will alternate with patchy cloud cover.
Dramatic changes in temperature are forecasted, reaching a high of a comfortable 66.2°F and falling to a low of an icy 37.4°F.
This expected maximum temperature is expected to mirror October's typical high of 65.3°F.
Sunrise will be at 7:12 am and sunset at 6:17 pm; the daylight will last for 11h and 5min.
Dramatic changes in temperature are forecasted, reaching a high of a comfortable 66.2°F and falling to a low of an icy 37.4°F.
This expected maximum temperature is expected to mirror October's typical high of 65.3°F.
Sunrise will be at 7:12 am and sunset at 6:17 pm; the daylight will last for 11h and 5min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 81°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: today 15%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 10mphSSE 160°
- Humidity: 62%
- UV index: 5
- Sunrise: 7:12 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 41°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphSSE 160°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:13 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphESE 117°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphS 180°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphENE 66°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSE 124°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 46°F
Mostly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSSE 152°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 81°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSW 196°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 79°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSSW 203°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 77°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSE 156°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:22 am CDT
- Sunset: 6:05 pm CDT
- details ▼
Looking ahead to the next ten days, a combination of cloudy and dry and sunny weather is forecasted.
Rainfall is not predicted in Bethalto in the upcoming period.
Temperature fluctuation will be noticeable in the coming days. Highs will range from 66.2°F to 80.6°F, while the nightly low temperatures will show also a considerable swing, as the lowest temperatures will be recorded between 37.4°F and 50°F.
The warmest day will be next Sunday, with a maximum of 80.6°F; today is the coldest day, with a maximum temperature of 66.2°F.
Rainfall is not predicted in Bethalto in the upcoming period.
Temperature fluctuation will be noticeable in the coming days. Highs will range from 66.2°F to 80.6°F, while the nightly low temperatures will show also a considerable swing, as the lowest temperatures will be recorded between 37.4°F and 50°F.
The warmest day will be next Sunday, with a maximum of 80.6°F; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 08:21:01 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
Today, in Bethalto, a pleasant mix of sun and clouds will define the day.
Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be notably lower than the average low of 48.7°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be notably lower than the average low of 48.7°F.
On Sunday, in Bethalto, sunrise will be at 7:12 am and sunset at 6:17 pm (CDT).
In Bethalto, the length of the day today will be 11h and 5min.
