Weather forecast for tomorrowGreen Rock, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 14mphSSW 195°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:16 pm CDT
- details ▼
Tomorrow, clear skies and sunshine are anticipated.
Temperature readings will span from a daytime high of an enjoyable 66.2°F to a night low of an icy 39.2°F.
The forecasted high for tomorrow is forecasted to be moderately higher than the typical October maximum of 61.3°F.
Sunrise will be at 7:17 am and sunset at 6:16 pm; tomorrow's daylight will last for 10h and 59min.
Temperature readings will span from a daytime high of an enjoyable 66.2°F to a night low of an icy 39.2°F.
The forecasted high for tomorrow is forecasted to be moderately higher than the typical October maximum of 61.3°F.
Sunrise will be at 7:17 am and sunset at 6:16 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 41°C.
Coldest period: 3 am - 6 am 41°C.
Chance of precipitation
Highest chance: 6 am 3%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 187°
- Humidity: 70%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSSW 191°
- Humidity: 71%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:36°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphS 188°
- Humidity: 73%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphS 190°
- Humidity: 77%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:17 am
- 8 am
- 43°F
- Feels like:37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphSSW 194°
- Humidity: 75%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:48°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphSSW 195°
- Humidity: 60%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 61°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSSW 201°
- Humidity: 47%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSSW 201°
- Humidity: 41%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 194°
- Humidity: 41%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphS 180°
- Humidity: 49%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:16 pm
- 8 pm
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphS 173°
- Humidity: 64%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphS 181°
- Humidity: 68%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, mostly cloudless and sunny weather is anticipated.
The temperature will vary between the lowest temperature of 41°F and the highest temperature of 64.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted high will be a couple of degrees higher than the typical October maximum of 61.3°F. Tomorrow, expect the temperature to dip to a level also relatively lower than the average October low.
The temperature will vary between the lowest temperature of 41°F and the highest temperature of 64.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted high will be a couple of degrees higher than the typical October maximum of 61.3°F. Tomorrow, expect the temperature to dip to a level also relatively lower than the average October low.
Updated: Oct 18, 2026 @ 02:17:18 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, conditions remain stable and sunny, with little cloud presence.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 39.2°F.
Tomorrow, the highest temperature will be a few degrees higher than the average maximum temperature in October. The lowest temperature will be also relatively lower than the average low of 45°F.
Tomorrow, the highest temperature will be a few degrees higher than the average maximum temperature in October. The lowest temperature will be also relatively lower than the average low of 45°F.
On Sunday, in Green Rock, sunrise will be at 7:17 am and sunset at 6:16 pm (CDT).
In Green Rock, the length of the day tomorrow will be 10h and 59min.





