Weather forecast for tomorrowSouth Pekin, IL
Weather forecast for tomorrow
Monday Oct 19, 2026
- 70°F
- 41°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSSE 164°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:12 pm CDT
- details ▼
Tomorrow, in South Pekin, open skies and radiant sunshine are expected.
Substantial temperature fluctuations from a high of an agreeable 69.8°F to a low of a wintry 41°F are forecasted.
The expected high of 69.8°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:14 am and sunset at 6:12 pm; tomorrow's daylight will last for 10h and 59min.
Substantial temperature fluctuations from a high of an agreeable 69.8°F to a low of a wintry 41°F are forecasted.
The expected high of 69.8°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:14 am and sunset at 6:12 pm; tomorrow's daylight will last for 10h and 59min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 68°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 6%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:43°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphSSE 157°
- Humidity: 77%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:41°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSSE 161°
- Humidity: 84%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphSSE 163°
- Humidity: 88%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphSSE 147°
- Humidity: 91%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:14 am
- 8 am
- 41°F
- Feels like:41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphSSE 147°
- Humidity: 88%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:54°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSSE 163°
- Humidity: 61%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 175°
- Humidity: 45%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 174°
- Humidity: 38%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 170°
- Humidity: 35%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSSE 150°
- Humidity: 46%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:12 pm
- 8 pm
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphE 98°
- Humidity: 64%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphESE 102°
- Humidity: 72%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily dry and sunny and occasionally cloudy weather is forecasted.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 68°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature is more similar to September's average maximum of 76.3°F than October's usual of 63.1°F. The lowest temperature is expected to be slightly cooler than the average minimum in October, typically 46.8°F.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 68°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature is more similar to September's average maximum of 76.3°F than October's usual of 63.1°F. The lowest temperature is expected to be slightly cooler than the average minimum in October, typically 46.8°F.
Updated: Oct 18, 2026 @ 16:43:02 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 Monday, in South Pekin, clear skies with only minor cloud interruptions are in the outlook.
Tomorrow, the maximum temperature in South Pekin, Illinois, will be 69.8°F, while the minimum temperature will be 41°F.
The highest temperature will be slightly warmer than the average maximum of 63.1°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 46.8°F.
The highest temperature will be slightly warmer than the average maximum of 63.1°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 46.8°F.
On Monday, in South Pekin, sunrise will be at 7:14 am and sunset at 6:12 pm (CDT).
In South Pekin, the length of the day tomorrow will be 10h and 59min.
