Weather forecast for 10 daysMonticello, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphS 184°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:10 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, sun-filled conditions are also expected to persist.
A wide temperature range is anticipated, from a high of a breezy 66.2°F to a low of an icy 35.6°F.
October's usual high of 63.5°F is anticipated to be matched by the day’s maximum temperature.
Sunrise will be at 7:08 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 2min.
A wide temperature range is anticipated, from a high of a breezy 66.2°F to a low of an icy 35.6°F.
October's usual high of 63.5°F is anticipated to be matched by the day’s maximum temperature.
Sunrise will be at 7:08 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 2min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 79°C.
Coldest day: tomorrow 66°C.
Coldest day: tomorrow 66°C.
Chance of precipitation
Highest chance: 5%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSE 160°
- Humidity: 70%
- UV index: 0
- Sunrise: 7:07 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphS 184°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 39°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSE 158°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 43°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphE 93°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphSSE 167°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 43°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphENE 60°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 45°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphESE 108°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 45°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphSE 137°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphS 186°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 75°F
- 46°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphE 89°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 5:59 pm CDT
- details ▼
Weather patterns suggest that a combination of bright and dull weather is anticipated.
Rainfall is not expected in Monticello in the upcoming days.
Temperature fluctuation will be noticeable in the upcoming days. The temperature is expected to swing from 66.2°F up to 78.8°F, while the difference in minimum temperatures will be also substantial, as nighttime lows are forecast to fall between 35.6°F and 50°F.
Next Sunday is expected to be the warmest, reaching up to 78.8°F; the lowest daytime temperature of the period will be reached on Sunday, peaking at 66.2°F.
Rainfall is not expected in Monticello in the upcoming days.
Temperature fluctuation will be noticeable in the upcoming days. The temperature is expected to swing from 66.2°F up to 78.8°F, while the difference in minimum temperatures will be also substantial, as nighttime lows are forecast to fall between 35.6°F and 50°F.
Next Sunday is expected to be the warmest, reaching up to 78.8°F; the lowest daytime temperature of the period will be reached on Sunday, peaking at 66.2°F.
Updated: Oct 17, 2026 @ 22:35:12 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, the outlook remains bright and sunny.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 35.6°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be notably lower than the average low of 48°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be notably lower than the average low of 48°F.
On Sunday, in Monticello, sunrise will be at 7:08 am and sunset at 6:10 pm (CDT).
Tomorrow, the daylight will last for 11h and 2min.
