Weather forecast for tomorrowUnion, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 63°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphSSW 205°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:07 pm CDT
- details ▼
On Sunday, in Union, the outlook remains bright and sunny.
The temperature is anticipated to oscillate between a maximum of a breezy 62.6°F and a minimum of an icy 39.2°F.
Tomorrow's maximum temperature is anticipated to be a couple of degrees higher than the usual 58.8°F high in October.
Sunrise will be at 7:10 am and sunset at 6:07 pm; tomorrow's daylight will last for 10h and 57min.
The temperature is anticipated to oscillate between a maximum of a breezy 62.6°F and a minimum of an icy 39.2°F.
Tomorrow's maximum temperature is anticipated to be a couple of degrees higher than the usual 58.8°F high in October.
Sunrise will be at 7:10 am and sunset at 6:07 pm; tomorrow's daylight will last for 10h and 57min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest period: 3 am - 6 am 39°C.
Coldest period: 3 am - 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: 71%
- 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: 75%
- 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: 8mphSSW 208°
- Humidity: 78%
- 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: 9mphSSW 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: 2%
- Precipitation: 0"
- Wind: 10mphSSW 204°
- Humidity: 75%
- 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 206°
- Humidity: 58%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphSSW 209°
- Humidity: 47%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphSSW 210°
- Humidity: 41%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:59°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:54°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphSSW 193°
- Humidity: 47%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:07 pm
- 8 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphSSW 191°
- Humidity: 59%
- 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: 8mphSSW 201°
- Humidity: 63%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, sunshine is expected.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 62.6°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the temperature is expected to be a couple of degrees higher than October's normal maximum of 58.8°F. Tomorrow, the low will be also slightly cooler than the usual October value of 43.2°F.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 62.6°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the temperature is expected to be a couple of degrees higher than October's normal maximum of 58.8°F. Tomorrow, the low will be also slightly cooler than the usual October value of 43.2°F.
Updated: Oct 17, 2026 @ 18:36:46 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 Sunday, in Union, sun-filled conditions are expected to persist.
Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 39.2°F.
Tomorrow, the highest temperature will be a couple of degrees higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be also slightly cooler than the average low temperature.
Tomorrow, the highest temperature will be a couple of degrees higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be also slightly cooler than the average low temperature.
On Sunday, in Union, sunrise will be at 7:10 am and sunset at 6:07 pm (CDT).
In Union, the length of the day tomorrow will be 10h and 57min.
