Weather forecast for 10 daysJohnston City, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 130°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:07 am CDT
- Sunset: 6:14 pm CDT
- details ▼
On Sunday, October 18, expect consistent sunshine and open skies.
The temperature is anticipated to vary significantly from a high of a breezy 66.2°F to a low of a wintry 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.
The temperature is anticipated to vary significantly from a high of a breezy 66.2°F to a low of a wintry 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: 6%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 36°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphESE 102°
- Humidity: 90%
- 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 130°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:07 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 41°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphSSE 163°
- 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: 5mphENE 57°
- 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: 6%
- Precipitation: 0"
- Wind: 4mphNE 51°
- Humidity: 49%
- UV index: 5
- Sunrise: 7:10 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphNE 40°
- Humidity: 52%
- 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 89°
- Humidity: 52%
- 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 142°
- Humidity: 48%
- 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: 4%
- Precipitation: 0"
- Wind: 6mphSSW 203°
- 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: 4%
- Precipitation: 0"
- Wind: 6mphSSW 211°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:04 pm CDT
- details ▼
Weather models show that a combination of dry and sunny and dull weather is predicted.
Rain is not anticipated in Johnston City in the upcoming days.
Expect a substantial fluctuation in daytime highs across the forecast period. The temperature is expected to swing from 66.2°F up to 80.6°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 35.6°F up to 50°F.
Expect the warmest day on next Sunday, with temperatures peaking at 80.6°F; expect the coldest day on Sunday with a high of 66.2°F.
Rain is not anticipated in Johnston City in the upcoming days.
Expect a substantial fluctuation in daytime highs across the forecast period. The temperature is expected to swing from 66.2°F up to 80.6°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 35.6°F up to 50°F.
Expect the warmest day on next Sunday, with temperatures peaking at 80.6°F; expect the coldest day on Sunday with a high of 66.2°F.
Updated: Oct 18, 2026 @ 03:39:09 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, skies are expected to be clear and full of sunshine.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be noticeably lower than the average low of 49.6°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be noticeably lower than the average low of 49.6°F.
On Sunday, in Johnston City, sunrise will be at 7:07 am and sunset at 6:14 pm (CDT).
Tomorrow, the daylight will last for 11h and 7min.
