Weather forecast for 10 daysMechanicsburg, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphS 176°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:14 pm CDT
- details ▼
Today, in Mechanicsburg, sunshine is forecasted under mostly clear skies.
Day and night temperatures will contrast sharply, ranging from a peak of a breezy 66.2°F to a low of a cold 37.4°F.
Today's highest temperature is predicted to match the regular high for October at 64.2°F.
Sunrise will be at 7:11 am and sunset at 6:14 pm; the daylight will last for 11h and 3min.
Day and night temperatures will contrast sharply, ranging from a peak of a breezy 66.2°F to a low of a cold 37.4°F.
Today's highest temperature is predicted to match the regular high for October at 64.2°F.
Sunrise will be at 7:11 am and sunset at 6:14 pm; the daylight will last for 11h and 3min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 79°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: 2%
- Precipitation: 0"
- Wind: 11mphS 176°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 39°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSSE 160°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 41°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphESE 102°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphSSE 162°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphE 80°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 45°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphESE 123°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphSSE 151°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 50°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphSSW 194°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:04 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSSW 200°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 75°F
- 50°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 7mphSE 142°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:01 pm CDT
- details ▼
Ten-day trends indicate that a combination of sun-filled and dull weather is expected.
Rainfall is not forecasted in Mechanicsburg in the upcoming period.
Noticeable swings in temperature are expected throughout the forecast window. 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 the lowest temperatures will be recorded between 37.4°F and 50°F.
Expect the warmest day on next Sunday, with temperatures peaking at 78.8°F; today is the coldest day, with a maximum temperature of 66.2°F.
Rainfall is not forecasted in Mechanicsburg in the upcoming period.
Noticeable swings in temperature are expected throughout the forecast window. 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 the lowest temperatures will be recorded between 37.4°F and 50°F.
Expect the warmest day on next Sunday, with temperatures peaking at 78.8°F; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 09:37:03 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
Today, the outlook remains bright and sunny.
Today, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
Today, the highest temperature will be in line with the average maximum temperature in October. Today, the lowest temperature will be notably lower than the average low of 48.2°F.
Today, the highest temperature will be in line with the average maximum temperature in October. Today, the lowest temperature will be notably lower than the average low of 48.2°F.
On Sunday, in Mechanicsburg, sunrise will be at 7:11 am and sunset at 6:14 pm (CDT).
In Mechanicsburg, today, there will be 11h and 3min of daylight.
