Weather forecast for 10 daysChambersburg, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphS 177°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:19 pm CDT
- details ▼
Today, on Sunday, October 18, sunshine will likely continue with scattered clouds at most.
Temperatures will show considerable variation, extending from a high of a breezy 66.2°F to a low of an icy 37.4°F.
The maximum temperature will align with October's usual high of 63.9°F.
Sunrise will be at 7:16 am and sunset at 6:19 pm; the daylight will last for 11h and 3min.
Temperatures will show considerable variation, extending from a high of a breezy 66.2°F to a low of an icy 37.4°F.
The maximum temperature will align with October's usual high of 63.9°F.
Sunrise will be at 7:16 am and sunset at 6:19 pm; the daylight will last for 11h and 3min.
10-day overview
Daily temperatures
Warmest period: Friday - Sunday 77°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 9%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphS 177°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:19 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 41°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphSSE 165°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 43°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSE 129°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 46°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphS 179°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphSE 137°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 50°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSE 141°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 52°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSSE 159°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:22 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 77°F
- 50°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSSW 201°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:23 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 75°F
- 48°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphSSE 160°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:25 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 75°F
- 54°F
Mostly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 6mphSE 146°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:26 am CDT
- Sunset: 6:06 pm CDT
- details ▼
It is expected that a combination of sun-filled and gloomy weather is anticipated.
Rainfall is not predicted in Chambersburg in the upcoming days.
In the coming days, the maximum temperature will range between 66.2°F and 77°F, while the variation in nighttime lows will be notably wide, as nighttime lows are forecast to fall between 37.4°F and 53.6°F.
The warmest days will be Friday through next Sunday, with a maximum of 77°F; today is the coldest day, with a maximum temperature of 66.2°F.
Rainfall is not predicted in Chambersburg in the upcoming days.
In the coming days, the maximum temperature will range between 66.2°F and 77°F, while the variation in nighttime lows will be notably wide, as nighttime lows are forecast to fall between 37.4°F and 53.6°F.
The warmest days will be Friday through next Sunday, with a maximum of 77°F; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 06:25:27 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
On Sunday, expect consistent sunshine and open skies.
Today, 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 63.9°F in October. The lowest temperature will be significantly lower than the average low of 46.8°F.
The maximum temperature will be in line with the average highest temperature of 63.9°F in October. The lowest temperature will be significantly lower than the average low of 46.8°F.
On Sunday, in Chambersburg, sunrise will be at 7:16 am and sunset at 6:19 pm (CDT).
In Chambersburg, Illinois, the length of the day today will be 11h and 3min.
