Weather forecast for 10 daysGrafton, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphSSE 160°
- Humidity: 50%
- UV index: 5
- Sunrise: 7:14 am CDT
- Sunset: 6:19 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, sun-filled conditions are expected to persist.
A stark contrast will be observed between the day's peak temperature of a breezy 66.2°F and the night's low of an icy 37.4°F.
Forecasts show that tomorrow the temperature will align with October's standard maximum of 65.8°F.
Sunrise will be at 7:14 am and sunset at 6:19 pm; tomorrow's daylight will last for 11h and 5min.
A stark contrast will be observed between the day's peak temperature of a breezy 66.2°F and the night's low of an icy 37.4°F.
Forecasts show that tomorrow the temperature will align with October's standard maximum of 65.8°F.
Sunrise will be at 7:14 am and sunset at 6:19 pm; tomorrow's daylight will last for 11h and 5min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 81°C.
Coldest day: tomorrow 66°C.
Coldest day: tomorrow 66°C.
Chance of precipitation
Highest chance: tomorrow - Tuesday 6%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 37°F
Mostly Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphESE 108°
- Humidity: 76%
- UV index: 0
- Sunrise: 7:13 am CDT
- Sunset: 6:20 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphSSE 160°
- Humidity: 50%
- UV index: 5
- Sunrise: 7:14 am CDT
- Sunset: 6:19 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 43°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphSSE 149°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 45°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphESE 118°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphS 173°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphENE 73°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphESE 119°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 46°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSE 141°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 81°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphS 185°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 79°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSSE 150°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:22 am CDT
- Sunset: 6:08 pm CDT
- details ▼
Looking ahead to the next ten days, a combination of bright and cloudy weather is predicted.
Rain is not anticipated in Grafton in the upcoming days.
Temperature differences will be noticeable in the upcoming days. Highs will range from 66.2°F to 80.6°F, while the lowest nightly temperature differences will be also quite pronounced, as the overnight lows will vary from 37.4°F to 50°F.
Expect the warmest day on next Sunday, with temperatures peaking at 80.6°F; the lowest daytime temperature of the period will be reached on Sunday, peaking at 66.2°F.
Rain is not anticipated in Grafton in the upcoming days.
Temperature differences will be noticeable in the upcoming days. Highs will range from 66.2°F to 80.6°F, while the lowest nightly temperature differences will be also quite pronounced, as the overnight lows will vary from 37.4°F to 50°F.
Expect the warmest day on next Sunday, with temperatures peaking at 80.6°F; the lowest daytime temperature of the period will be reached on Sunday, peaking at 66.2°F.
Updated: Oct 17, 2026 @ 22:11:09 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
Tomorrow, clear and sunny conditions are expected.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be noticeably lower than the average low of 48.6°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be noticeably lower than the average low of 48.6°F.
On Sunday, in Grafton, sunrise will be at 7:14 am and sunset at 6:19 pm (CDT).
In Grafton, the length of the day tomorrow will be 11h and 5min.
