Weather forecast for tomorrowGrayville, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 130°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:03 am CDT
- Sunset: 6:10 pm CDT
- details ▼
On Sunday, October 18, sunshine and minimal clouds are also in the outlook.
A high of a breezy 66.2°F during the day contrasts markedly with a low of a wintry 37.4°F at night.
Tomorrow's high temperature will mirror the usual October maximum of 67.1°F.
Sunrise will be at 7:03 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 6min.
A high of a breezy 66.2°F during the day contrasts markedly with a low of a wintry 37.4°F at night.
Tomorrow's high temperature will mirror the usual October maximum of 67.1°F.
Sunrise will be at 7:03 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 6min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°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
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphENE 78°
- Humidity: 81%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphE 99°
- Humidity: 87%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphESE 108°
- Humidity: 90%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphESE 115°
- Humidity: 91%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:03 am
- 8 am
- 41°F
- Feels like:41°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphESE 120°
- Humidity: 89%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSE 132°
- Humidity: 58%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSE 134°
- Humidity: 42%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSE 137°
- Humidity: 34%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSE 133°
- Humidity: 31%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphESE 119°
- Humidity: 42%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:10 pm
- 8 pm
- 52°F
- Feels like:52°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphESE 111°
- Humidity: 63%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphESE 118°
- Humidity: 75%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, bright and mostly sunny weather is expected.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the high temperature will be consistent with October's average. The lowest temperature is more consistent with November's average minimum of 38.3°F than the usual minimum of 49.6°F in October.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the high temperature will be consistent with October's average. The lowest temperature is more consistent with November's average minimum of 38.3°F than the usual minimum of 49.6°F in October.
Updated: Oct 17, 2026 @ 22:33:27 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, clear and sunny conditions are expected.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The maximum temperature will be in line with the average highest temperature of 67.1°F in October. The lowest temperature will be notably lower than the average low of 49.6°F.
The maximum temperature will be in line with the average highest temperature of 67.1°F in October. The lowest temperature will be notably lower than the average low of 49.6°F.
On Sunday, in Grayville, sunrise will be at 7:03 am and sunset at 6:10 pm (CDT).
In Grayville, the length of the day tomorrow will be 11h and 6min.
