Weather forecast for todayHarristown, IL
Weather forecast for today
Current condition 8:10 am CDT
- 45°F
- Feels like:45°F
Sunny
- Precipitation: 0"
- Wind: 1mphSSE 160°
- Humidity: 86%
- Dewpoint: 41°F
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
In Harristown, currently, sunshine is pouring down, making for a beautiful day.
The temperature is a frosty 44.6°F. The current temperature is at the minimum predicted for today.
The temperature is a frosty 44.6°F. The current temperature is at the minimum predicted for today.
Wednesday Oct 21, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphSW 227°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:08 pm CDT
- details ▼
On Wednesday, October 21, skies are expected to be clear and full of sunshine.
Substantial temperature fluctuations from a high of a temperate 75.2°F to a low of a brisk 44.6°F are forecasted.
The warmer conditions bring a maximum of 75.2°F, more representative of September than October.
Sunrise was at 7:13 am and sunset will be at 6:08 pm; the daylight will last for 10h and 55min.
Substantial temperature fluctuations from a high of a temperate 75.2°F to a low of a brisk 44.6°F are forecasted.
The warmer conditions bring a maximum of 75.2°F, more representative of September than October.
Sunrise was at 7:13 am and sunset will be at 6:08 pm; the daylight will last for 10h and 55min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 73°C.
Coldest hour: 9 am 50°C.
Coldest hour: 9 am 50°C.
Chance of precipitation
Highest chance: 11 pm 2%.
Hourly weather forecast
- 9 am
- 50°F
- Feels like:50°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphSE 144°
- Humidity: 75%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 10 am
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphS 180°
- Humidity: 59%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 11 am
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphS 186°
- Humidity: 50%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSSW 213°
- Humidity: 44%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 1 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphWSW 241°
- Humidity: 38%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 72°F
- Feels like:72°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSW 221°
- Humidity: 34%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 3 pm
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphWSW 253°
- Humidity: 32%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 72°F
- Feels like:72°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphW 265°
- Humidity: 33%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 5 pm
- 72°F
- Feels like:72°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphW 263°
- Humidity: 36%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 pm
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphW 270°
- Humidity: 43%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:08 pm
- 7 pm
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphNW 313°
- Humidity: 55%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 57°F
- Feels like:57°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphN 350°
- Humidity: 64%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 55°F
- Feels like:55°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphNNE 17°
- Humidity: 69%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 54°F
- Feels like:54°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphNE 34°
- Humidity: 72%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 52°F
- Feels like:52°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphESE 106°
- Humidity: 75%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, clear skies and sunny weather are expected.
The temperature will vary between a minimum of 50°F and a maximum of 73.4°F. The warmest part of the day will be around 3 pm.
The forecasted maximum is more alike with September's typical high of 77°F than the average for October. The night temperature will be in line with the standard October low of 48°F.
The temperature will vary between a minimum of 50°F and a maximum of 73.4°F. The warmest part of the day will be around 3 pm.
The forecasted maximum is more alike with September's typical high of 77°F than the average for October. The night temperature will be in line with the standard October low of 48°F.
Updated: Oct 21, 2026 @ 13:10:25 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 current temperature (8:10 am CDT) is 44.6°F.
On Wednesday, sunshine is expected with little to no cloud cover.
Today, the maximum temperature will be 75.2°F, while the minimum temperature will be 44.6°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 64°F in October. The lowest temperature will be in line with the average low of 48°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 64°F in October. The lowest temperature will be in line with the average low of 48°F.
On Wednesday, in Harristown, sunrise was at 7:13 am and sunset will be at 6:08 pm (CDT).
Today, the daylight will last for 10h and 55min.
Harristown, Illinois, USA
- en: Harristown, Illinois, USA
- es: Harristown, Illinois, EE.UU.
- hr: Haristaun, Ilinois, SAD
- mk: Haristaun, Ilinois, SAD
- sr: Haristaun, Ilinois, SAD
- zh: Harristown, 伊利诺伊, 美国
- Latitude: 39.853928°
- Longitude: -89.083970°
- Elevation: 692 ft
- Current time: 8:10am CDT
- Sunrise: 7:13 am CDT
- Sunset: 6:08 pm CDT
- Timezone: America/Chicago
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