Weather forecast for tomorrowSeneca, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 12mphSSW 199°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:09 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, conditions will remain bright with clear skies.
A substantial temperature range, peaking at a breezy 66.2°F and bottoming out at a wintry 37.4°F, is forecasted.
Tomorrow, the maximum temperature is anticipated to be slightly warmer than October's climate norm of 61.7°F.
Sunrise will be at 7:09 am and sunset at 6:09 pm; tomorrow's daylight will last for 10h and 59min.
A substantial temperature range, peaking at a breezy 66.2°F and bottoming out at a wintry 37.4°F, is forecasted.
Tomorrow, the maximum temperature is anticipated to be slightly warmer than October's climate norm of 61.7°F.
Sunrise will be at 7:09 am and sunset at 6:09 pm; tomorrow's daylight will last for 10h and 59min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest period: 3 am - 6 am 39°C.
Coldest period: 3 am - 6 am 39°C.
Chance of precipitation
Highest chance: 3 am - 6 am 3%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:39°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSW 195°
- Humidity: 80%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphSSW 197°
- Humidity: 84%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSSW 194°
- Humidity: 85%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSSW 196°
- Humidity: 84%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:09 am
- 8 am
- 41°F
- Feels like:37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSW 198°
- Humidity: 79%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 202°
- Humidity: 51%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 61°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 205°
- Humidity: 40%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 204°
- Humidity: 34%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 198°
- Humidity: 31%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphS 185°
- Humidity: 39%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:09 pm
- 8 pm
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 180°
- Humidity: 55%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:46°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphS 186°
- Humidity: 68%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, primarily bright and sunny weather is anticipated.
The temperature will be between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The temperature is expected to be a few degrees higher than the average peak in October, which is 61.7°F. The lowest temperature is more alike with November's average minimum of 33.8°F than the usual minimum of 45.9°F in October.
The temperature will be between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The temperature is expected to be a few degrees higher than the average peak in October, which is 61.7°F. The lowest temperature is more alike with November's average minimum of 33.8°F than the usual minimum of 45.9°F in October.
Updated: Oct 17, 2026 @ 18:35:02 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, skies are expected to be clear and full of sunshine.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
Tomorrow, the maximum temperature will be slightly warmer than the average highest temperature in October. Tomorrow, the lowest temperature will be also slightly cooler than the average low temperature.
Tomorrow, the maximum temperature will be slightly warmer than the average highest temperature in October. Tomorrow, the lowest temperature will be also slightly cooler than the average low temperature.
On Sunday, in Seneca, sunrise will be at 7:09 am and sunset at 6:09 pm (CDT).
In Seneca, tomorrow, there will be 10h and 59min of daylight.





