Weather forecast for tomorrowMarengo, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphSSW 206°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:08 pm CDT
- details ▼
On Sunday, October 18, sunny and dry conditions are also anticipated.
The temperature will fluctuate from a high of a breezy 64.4°F to a low of a cold 39.2°F.
Tomorrow, the forecasted temperature will be relatively higher than the standard October high of 58.8°F.
Sunrise will be at 7:10 am and sunset at 6:08 pm; tomorrow's daylight will last for 10h and 57min.
The temperature will fluctuate from a high of a breezy 64.4°F to a low of a cold 39.2°F.
Tomorrow, the forecasted temperature will be relatively higher than the standard October high of 58.8°F.
Sunrise will be at 7:10 am and sunset at 6:08 pm; tomorrow's daylight will last for 10h and 57min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 3%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSW 204°
- Humidity: 70%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSW 208°
- Humidity: 74%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSW 208°
- Humidity: 77%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphSSW 205°
- Humidity: 77%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:10 am
- 8 am
- 41°F
- Feels like:36°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphSSW 204°
- Humidity: 77%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 13mphSSW 207°
- Humidity: 58%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphSSW 209°
- Humidity: 46%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphSSW 210°
- Humidity: 40%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 15mphSSW 204°
- Humidity: 40%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphSSW 192°
- Humidity: 46%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:08 pm
- 8 pm
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphS 190°
- Humidity: 58%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSW 199°
- Humidity: 64%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a cloudless sky and mainly sunshiny weather are expected.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 62.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature will be a few degrees higher than October's average high of 58.8°F. Tomorrow, the temperature is expected to be also a couple of degrees lower than October's normal minimum of 43.2°F.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 62.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The maximum temperature will be a few degrees higher than October's average high of 58.8°F. Tomorrow, the temperature is expected to be also a couple of degrees lower than October's normal minimum of 43.2°F.
Updated: Oct 17, 2026 @ 17:41:34 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, in Marengo, expect bright skies and plenty of sunshine.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be moderately higher than the average highest temperature of 58.8°F in October. Tomorrow, the lowest temperature will be also moderately lower than the average low temperature.
The maximum temperature will be moderately higher than the average highest temperature of 58.8°F in October. Tomorrow, the lowest temperature will be also moderately lower than the average low temperature.
On Sunday, in Marengo, sunrise will be at 7:10 am and sunset at 6:08 pm (CDT).
In Marengo, Illinois, tomorrow, there will be 10h and 57min of daylight.





