Weather forecast for tomorrowGrantfork, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphSSE 165°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:11 am CDT
- Sunset: 6:16 pm CDT
- details ▼
On Sunday, October 18, clear skies and sunshine are also anticipated.
Considerable temperature fluctuations from a high of a breezy 66.2°F to a low of a cold 37.4°F are predicted.
October's typical peak of 65.7°F is predicted to be mirrored in the day’s high.
Sunrise will be at 7:11 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 5min.
Considerable temperature fluctuations from a high of a breezy 66.2°F to a low of a cold 37.4°F are predicted.
October's typical peak of 65.7°F is predicted to be mirrored in the day’s high.
Sunrise will be at 7:11 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 5min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 72°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:46°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSSE 155°
- Humidity: 79%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphSSE 155°
- Humidity: 85%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphSSE 153°
- Humidity: 91%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphSE 133°
- Humidity: 92%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:11 am
- 8 am
- 43°F
- Feels like:43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphSE 137°
- Humidity: 89%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSSE 166°
- Humidity: 59%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSSW 192°
- Humidity: 40%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphS 180°
- Humidity: 31%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 172°
- Humidity: 29%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 66°F
- Feels like:66°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSE 144°
- Humidity: 40%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:16 pm
- 8 pm
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphE 101°
- Humidity: 64%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:52°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphE 94°
- Humidity: 74%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, primarily sunny and occasionally dull weather is forecasted.
The temperature will vary between a minimum of 39.2°F and a maximum of 71.6°F. The warmest part of the day is expected around 3 pm.
Tomorrow, the temperature is forecasted to be comparable to the usual maximum for October. Tomorrow, the overnight low is more alike with November's usual minimum of 37.4°F than October's 48.9°F.
The temperature will vary between a minimum of 39.2°F and a maximum of 71.6°F. The warmest part of the day is expected around 3 pm.
Tomorrow, the temperature is forecasted to be comparable to the usual maximum for October. Tomorrow, the overnight low is more alike with November's usual minimum of 37.4°F than October's 48.9°F.
Updated: Oct 18, 2026 @ 04:16:25 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 Grantfork, a sun-drenched sky is anticipated.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The highest temperature will be in line with the average maximum of 65.7°F in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 48.9°F.
The highest temperature will be in line with the average maximum of 65.7°F in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 48.9°F.
On Sunday, in Grantfork, sunrise will be at 7:11 am and sunset at 6:16 pm (CDT).
Tomorrow, the daylight will last for 11h and 5min.
