Weather forecast for tomorrowHarristown, IL
Weather forecast for tomorrow
Monday Oct 19, 2026
- 70°F
- 39°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSE 161°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:11 pm CDT
- details ▼
On Monday, in Harristown, dry and sunny weather is expected throughout the day.
Temperatures are set to span a considerable range, with a high of an agreeable 69.8°F and a low of an icy 39.2°F.
Forecasts suggest the maximum temperature will be relatively higher than October's average of 64°F.
Sunrise will be at 7:11 am and sunset at 6:11 pm; tomorrow's daylight will last for 11h and 0min.
Temperatures are set to span a considerable range, with a high of an agreeable 69.8°F and a low of an icy 39.2°F.
Forecasts suggest the maximum temperature will be relatively higher than October's average of 64°F.
Sunrise will be at 7:11 am and sunset at 6:11 pm; tomorrow's daylight will last for 11h and 0min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 70°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphSSE 167°
- Humidity: 76%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphSSE 166°
- Humidity: 81%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:37°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphS 172°
- Humidity: 86%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphS 170°
- Humidity: 89%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:11 am
- 8 am
- 41°F
- Feels like:41°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphSSE 155°
- Humidity: 87%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphS 169°
- Humidity: 57%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphS 171°
- Humidity: 40%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSE 164°
- Humidity: 32%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 68°F
- Feels like:68°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSE 168°
- Humidity: 31%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphSE 133°
- Humidity: 42%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:11 pm
- 8 pm
- 54°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphE 93°
- Humidity: 62%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphE 94°
- Humidity: 69%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily mostly clear and occasionally cloudy weather is anticipated.
The temperature will vary between a minimum of 37.4°F and a maximum of 69.8°F. The warmest part of the day will be around 3 pm.
The highest temperature will be a couple of degrees higher than October's average maximum of 64°F. The lowest temperature is more resembling November's average minimum of 36.1°F than the usual minimum of 48°F in October.
The temperature will vary between a minimum of 37.4°F and a maximum of 69.8°F. The warmest part of the day will be around 3 pm.
The highest temperature will be a couple of degrees higher than October's average maximum of 64°F. The lowest temperature is more resembling November's average minimum of 36.1°F than the usual minimum of 48°F in October.
Updated: Oct 18, 2026 @ 05:20:06 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
Tomorrow, a glowing sky and minimal clouds are expected.
Tomorrow, the highest temperature will be 69.8°F, while the lowest temperature will be 39.2°F.
The maximum temperature will be moderately higher than the average highest temperature of 64°F in October. The lowest temperature will be also slightly cooler than the average low of 48°F.
The maximum temperature will be moderately higher than the average highest temperature of 64°F in October. The lowest temperature will be also slightly cooler than the average low of 48°F.
On Monday, in Harristown, sunrise will be at 7:11 am and sunset at 6:11 pm (CDT).
In Harristown, tomorrow, there will be 11h and 0min of daylight.
