Weather forecast for todayHarrisburg, IL
Weather forecast for today
Current condition 5:17 am CDT
- 43°F
- Feels like:43°F
Fog
- Precipitation: 0"
- Wind: 0mphW 260°
- Humidity: 100%
- Dewpoint: 43°F
- Pressure: 30.25"Hg
- Visibility: 1mi
- UV index: 0
- details ▼
In Harrisburg, currently, roads and buildings are barely visible as a dense fog settles over the city.
The temperature is a chilly 42.8°F. The current temperature is at the minimum expected for today.
The temperature is a chilly 42.8°F. The current temperature is at the minimum expected for today.
Friday Oct 23, 2026
- 75°F
- 43°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 6mphESE 109°
- Humidity: 62%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:06 pm CDT
- details ▼
On Friday, October 23, intermittent cloud cover is expected, allowing for some sunshine.
Significant variations in temperature are anticipated, peaking at a moderately hot 75.2°F and dropping to a low of a frosty 42.8°F.
The higher temperature of 75.2°F is more typical of September than October.
Sunrise will be at 7:10 am and sunset at 6:06 pm; the daylight will last for 10h and 56min.
Significant variations in temperature are anticipated, peaking at a moderately hot 75.2°F and dropping to a low of a frosty 42.8°F.
The higher temperature of 75.2°F is more typical of September than October.
Sunrise will be at 7:10 am and sunset at 6:06 pm; the daylight will last for 10h and 56min.
Hourly overview
Hourly temperatures
Warmest period: 2 pm - 4 pm 73°C.
Coldest hour: 6 am 43°C.
Coldest hour: 6 am 43°C.
Chance of precipitation
Highest chance: 6 am 15%.
Hourly weather forecast
- 6 am
- 43°F
- Feels like:43°F
Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 0mphS 180°
- Humidity: 100%
- Pressure: 30.24"Hg
- Visibility: 2mi
- UV index: 0
- details ▼
Sunrise: 7:10 am
- 8 am
- 45°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 0mphS 180°
- Humidity: 100%
- Pressure: 30.27"Hg
- Visibility: 1mi
- UV index: 0
- details ▼
- 10 am
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphE 93°
- Humidity: 68%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphESE 107°
- Humidity: 41%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphE 95°
- Humidity: 35%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphE 90°
- Humidity: 34%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphENE 76°
- Humidity: 44%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:06 pm
- 8 pm
- 57°F
- Feels like:57°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphE 85°
- Humidity: 67%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 54°F
- Feels like:54°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphE 96°
- Humidity: 79%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, primarily clear and occasionally overcast weather is anticipated.
The temperature will be between the highest temperature of 73.4°F and the lowest temperature of 42.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature will align more closely with September's average high of 80.8°F than with October's 67.8°F. The lowest temperature is more alike with November's average minimum of 38.7°F than the usual minimum of 49.3°F in October.
The temperature will be between the highest temperature of 73.4°F and the lowest temperature of 42.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature will align more closely with September's average high of 80.8°F than with October's 67.8°F. The lowest temperature is more alike with November's average minimum of 38.7°F than the usual minimum of 49.3°F in October.
Updated: Oct 23, 2026 @ 10:17:41 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
The temperature at 5:17 am CDT is 42.8°F.
Today, in Harrisburg, high-altitude clouds may scatter across the sky, but the sun will still shine.
Today, the highest temperature will be 75.2°F, while the lowest temperature will be 42.8°F.
The highest temperature will be a couple of degrees higher than the average maximum of 67.8°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 49.3°F.
The highest temperature will be a couple of degrees higher than the average maximum of 67.8°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 49.3°F.
On Friday, in Harrisburg, sunrise will be at 7:10 am and sunset at 6:06 pm (CDT).
Today, the daylight will last for 10h and 56min.
Harrisburg, Illinois, USA
- en: Harrisburg, Illinois, USA
- es: Harrisburg, Illinois, EE.UU.
- hr: Harisburg, Ilinois, SAD
- mk: Harisburg, Ilinois, SAD
- sr: Harisburg, Ilinois, SAD
- zh: 哈里斯堡, 伊利诺伊, 美国
- Latitude: 37.738381°
- Longitude: -88.540607°
- Elevation: 367 ft
- Current time: 5:17am CDT
- Sunrise: 7:10 am CDT
- Sunset: 6:06 pm CDT
- Timezone: America/Chicago
Nearby Harrisburg, Illinois, USA
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