Weather forecast for 10 daysGreenville, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphSSE 164°
- Humidity: 49%
- UV index: 5
- Sunrise: 7:10 am CDT
- Sunset: 6:15 pm CDT
- details ▼
Tomorrow, sunny and dry conditions are also anticipated.
A remarkable high of a comfortable 66.2°F during the day and a stark low of a wintry 37.4°F at night are expected.
The high temperature is forecasted to match October's standard maximum of 65.3°F.
Sunrise will be at 7:10 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 5min.
A remarkable high of a comfortable 66.2°F during the day and a stark low of a wintry 37.4°F at night are expected.
The high temperature is forecasted to match October's standard maximum of 65.3°F.
Sunrise will be at 7:10 am and sunset at 6:15 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 - Monday 5%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSE 135°
- Humidity: 87%
- UV index: 0
- Sunrise: 7:09 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphSSE 164°
- Humidity: 49%
- UV index: 5
- Sunrise: 7:10 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphSSE 162°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 43°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphE 87°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 77°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphS 172°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphE 94°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphESE 118°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSE 147°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 81°F
- 50°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSW 198°
- Humidity: 44%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphS 184°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:04 pm CDT
- details ▼
During the upcoming ten-day period, a combination of dry and sunny and cloud-filled weather is predicted.
Rainfall is not expected in Greenville in the upcoming days.
Expect a substantial fluctuation in daytime highs throughout the forecast window. Highs will range from 66.2°F to 80.6°F, while the lowest night temperatures will vary also significantly, as nighttime lows are forecast to fall between 35.6°F and 50°F.
The warmest day will be next Sunday, with a maximum of 80.6°F; the lowest daytime temperature of the period will be reached on Sunday, peaking at 66.2°F.
Rainfall is not expected in Greenville in the upcoming days.
Expect a substantial fluctuation in daytime highs throughout the forecast window. Highs will range from 66.2°F to 80.6°F, while the lowest night temperatures will vary also significantly, as nighttime lows are forecast to fall between 35.6°F and 50°F.
The warmest day will be next Sunday, with a maximum of 80.6°F; the lowest daytime temperature of the period will be reached on Sunday, peaking at 66.2°F.
Updated: Oct 18, 2026 @ 04:54:32 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, in Greenville, the forecast calls for abundant sunshine.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The maximum temperature will be in line with the average highest temperature of 65.3°F in October. The lowest temperature will be uncommonly lower than the average low of 48.7°F.
The maximum temperature will be in line with the average highest temperature of 65.3°F in October. The lowest temperature will be uncommonly lower than the average low of 48.7°F.
On Sunday, in Greenville, sunrise will be at 7:10 am and sunset at 6:15 pm (CDT).
Tomorrow, the daylight will last for 11h and 5min.
