Weather forecast for todayJohnston City, IL
Weather forecast for today
Current condition 2:11 pm CDT
- 73°F
- Feels like:73°F
Sunny
- Precipitation: 0"
- Wind: 4mphNNE 30°
- Humidity: 34%
- Dewpoint: 45°F
- Pressure: 30.29"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
In Johnston City, currently, the sun’s rays are illuminating everything under a clear sky.
The temperature is a temperate 73.4°F. The current temperature is nearly at the maximum of today's predicted 75.2°F.
The temperature is a temperate 73.4°F. The current temperature is nearly at the maximum of today's predicted 75.2°F.
Tuesday Oct 20, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphENE 59°
- Humidity: 36%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:11 pm CDT
- details ▼
Today, on Tuesday, October 20, the forecast calls for abundant sunshine.
Daytime will experience a high of a moderately hot 75.2°F, significantly differing from the forecasted night low of a chilly 42.8°F.
With a forecast of 75.2°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise was at 7:09 am and sunset will be at 6:11 pm; the daylight will last for 11h and 2min.
Daytime will experience a high of a moderately hot 75.2°F, significantly differing from the forecasted night low of a chilly 42.8°F.
With a forecast of 75.2°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise was at 7:09 am and sunset will be at 6:11 pm; the daylight will last for 11h and 2min.
Hourly overview
Hourly temperatures
Warmest period: 3 pm - 4 pm 73°C.
Coldest hour: 12 am 48°C.
Coldest hour: 12 am 48°C.
Chance of precipitation
Highest chance: 11 pm - 12 am 2%.
Hourly weather forecast
- 3 pm
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNE 49°
- Humidity: 33%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphENE 57°
- Humidity: 34%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 5 pm
- 72°F
- Feels like:72°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphENE 60°
- Humidity: 36%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphENE 65°
- Humidity: 44%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:11 pm
- 7 pm
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphENE 65°
- Humidity: 54%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 57°F
- Feels like:57°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphENE 66°
- Humidity: 66%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 54°F
- Feels like:54°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphENE 69°
- Humidity: 73%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:52°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphENE 68°
- Humidity: 78%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphE 82°
- Humidity: 80%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 12 am
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphE 81°
- Humidity: 84%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
For the rest of Tuesday, mainly sunny weather and a cloudless sky are anticipated.
The temperature will be between the highest temperature of 73.4°F and the lowest temperature of 50°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature is more in line with September's average maximum of 80.1°F than October's usual of 67.3°F. The minimum temperature will be more consistent with November's average low of 38.5°F than October's typical 49.6°F.
The temperature will be between the highest temperature of 73.4°F and the lowest temperature of 50°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature is more in line with September's average maximum of 80.1°F than October's usual of 67.3°F. The minimum temperature will be more consistent with November's average low of 38.5°F than October's typical 49.6°F.
Updated: Oct 20, 2026 @ 19:11:19 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Currently (2:11 pm CDT) it is 73.4°F in Johnston City.
Today, sunny skies are in store, with excellent visibility.
Today, the highest temperature will be 75.2°F, while the lowest temperature will be 42.8°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 67.3°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 49.6°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 67.3°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 49.6°F.
On Tuesday, in Johnston City, sunrise was at 7:09 am and sunset will be at 6:11 pm (CDT).
Today, the daylight will last for 11h and 2min.
Johnston City, Illinois, USA
- en: Johnston City, Illinois, USA
- es: Johnston City, Illinois, EE.UU.
- hr: Džonson Siti, Ilinois, SAD
- mk: Džonson Siti, Ilinois, SAD
- sr: Džonson Siti, Ilinois, SAD
- zh: 约翰斯顿城, 伊利诺伊, 美国
- Latitude: 37.820605°
- Longitude: -88.927570°
- Elevation: 430 ft
- Current time: 2:39pm CDT
- Sunrise: 7:09 am CDT
- Sunset: 6:11 pm CDT
- Timezone: America/Chicago
Nearby Johnston City, Illinois, USA
- Whiteash (2 mi)
- Spillertown (4 mi)
- Freeman Spur (5 mi)
- Pittsburg (5 mi)
- West Frankfort (6 mi)
- Herrin (6 mi)
- Marion (6 mi)
- Energy (6 mi)
- Orient (7 mi)
- Colp (9 mi)
- Zeigler (9 mi)
- Crainville (9 mi)
- Carterville (9 mi)
- Cambria (11 mi)
- Royalton (11 mi)
- Bush (11 mi)
- Thompsonville (11 mi)
- Hurst (12 mi)
- Benton (12 mi)
- Buckner (12 mi)
- Christopher (12 mi)
- North City (14 mi)
- Mulkeytown (14 mi)
- Creal Springs (15 mi)
Illinois, USA - most visited locations
- Chicago
- Aurora
- Rockford
- Joliet
- Naperville
- Springfield
- Peoria
- Elgin
- Waukegan
- Champaign
- Cicero
- Bloomington
- Arlington Heights
- Evanston
- Schaumburg
- Bolingbrook
- Decatur
- Palatine
- Skokie
- Des Plaines
- Orland Park
- Tinley Park
- Oak Lawn
- Berwyn
- Mount Prospect
- Normal
- Wheaton
- Hoffman Estates
- Oak Park
- Downers Grove
- Glenview
- Belleville
- Elmhurst
- DeKalb
- Moline
- Lombard





