Weather forecast for 10 daysArmstrong, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 36°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphS 188°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:05 am CDT
- Sunset: 6:07 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, the outlook remains bright and sunny.
A notable temperature range, reaching a high of a breezy 64.4°F and a low of a wintry 35.6°F, is forecasted.
The expected high temperature will align with October's average of 62.8°F.
Sunrise will be at 7:05 am and sunset at 6:07 pm; tomorrow's daylight will last for 11h and 2min.
A notable temperature range, reaching a high of a breezy 64.4°F and a low of a wintry 35.6°F, is forecasted.
The expected high temperature will align with October's average of 62.8°F.
Sunrise will be at 7:05 am and sunset at 6:07 pm; tomorrow's daylight will last for 11h and 2min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 77°C.
Coldest day: tomorrow 64°C.
Coldest day: tomorrow 64°C.
Chance of precipitation
Highest chance: 6%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphS 170°
- Humidity: 71%
- UV index: 0
- Sunrise: 7:04 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 64°F
- 36°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphS 188°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:05 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 39°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphSSE 161°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphE 83°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 41°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphSE 141°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 73°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNE 47°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 45°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphE 101°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:00 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 43°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 130°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 5:58 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 77°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphS 183°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 5:57 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 73°F
- 45°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphNE 50°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 5:56 pm CDT
- details ▼
In the days ahead, a combination of clear and gloomy weather is predicted.
Rainfall is not anticipated in Armstrong in the upcoming period.
Temperature differences will be noticeable in the upcoming days. Maximum temperatures are forecasted between 64.4°F and 77°F, while the lowest nightly temperature differences will be also quite pronounced, as temperatures overnight will fluctuate from 35.6°F up to 48.2°F.
Next Sunday will be the warmest day, with a maximum temperature of 77°F; expect the coldest day on Sunday with a high of 64.4°F.
Rainfall is not anticipated in Armstrong in the upcoming period.
Temperature differences will be noticeable in the upcoming days. Maximum temperatures are forecasted between 64.4°F and 77°F, while the lowest nightly temperature differences will be also quite pronounced, as temperatures overnight will fluctuate from 35.6°F up to 48.2°F.
Next Sunday will be the warmest day, with a maximum temperature of 77°F; expect the coldest day on Sunday with a high of 64.4°F.
Updated: Oct 17, 2026 @ 23:20:42 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 Armstrong, sunny and dry conditions are anticipated.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 35.6°F.
The highest temperature will be in line with the average maximum of 62.8°F in October. The lowest temperature will be noticeably lower than the average low of 46.9°F.
The highest temperature will be in line with the average maximum of 62.8°F in October. The lowest temperature will be noticeably lower than the average low of 46.9°F.
On Sunday, in Armstrong, sunrise will be at 7:05 am and sunset at 6:07 pm (CDT).
In Armstrong, Illinois, tomorrow, there will be 11h and 2min of daylight.





