Weather forecast for 10 daysMarion, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 129°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:07 am CDT
- Sunset: 6:14 pm CDT
- details ▼
On Sunday, in Marion, sunshine is also expected with little to no cloud cover.
A wide temperature range is anticipated, from a high of a comfortable 66.2°F to a low of a cold 39.2°F.
The predicted daytime maximum should align with the typical October high of 67.3°F.
Sunrise will be at 7:07 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 7min.
A wide temperature range is anticipated, from a high of a comfortable 66.2°F to a low of a cold 39.2°F.
The predicted daytime maximum should align with the typical October high of 67.3°F.
Sunrise will be at 7:07 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 7min.
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: today - Saturday 5%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 36°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphE 100°
- Humidity: 91%
- UV index: 0
- Sunrise: 7:06 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 129°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:07 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 73°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphSSE 166°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:08 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 43°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphNE 55°
- Humidity: 50%
- UV index: 5
- Sunrise: 7:09 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 77°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNE 44°
- Humidity: 49%
- UV index: 5
- Sunrise: 7:10 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphNE 35°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:11 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 46°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphE 86°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 144°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 81°F
- 50°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSSW 205°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 79°F
- 48°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSW 217°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:04 pm CDT
- details ▼
Conditions over the next ten days suggest that a combination of dry and sunny and cloudy weather is forecasted.
Rainfall is not anticipated in Marion in the upcoming period.
Temperature differences will be noticeable in the upcoming period. The temperature is expected to swing from 66.2°F up to 80.6°F, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 35.6°F to 50°F.
Next Sunday will be the warmest day, with a maximum temperature of 80.6°F; with the highest temperature of 66.2°F, Sunday will be the coldest day.
Rainfall is not anticipated in Marion in the upcoming period.
Temperature differences will be noticeable in the upcoming period. The temperature is expected to swing from 66.2°F up to 80.6°F, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 35.6°F to 50°F.
Next Sunday will be the warmest day, with a maximum temperature of 80.6°F; with the highest temperature of 66.2°F, Sunday will be the coldest day.
Updated: Oct 18, 2026 @ 03:45:13 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 Marion, sunshine will likely continue with scattered clouds at most.
Tomorrow, the highest temperature in Marion will be 66.2°F, while the lowest temperature will be 39.2°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 49.3°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 49.3°F.
On Sunday, in Marion, sunrise will be at 7:07 am and sunset at 6:14 pm (CDT).
In Marion, the length of the day tomorrow will be 11h and 7min.
