Weather forecast for todayJohnston City, IL

Weather forecast for today

Current condition 1:00 pm CDT

  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 3mphN 10°
  • Humidity: 34%
  • Dewpoint: 45°F
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
At the moment, in Johnston City, the weather is ideal, with the sun shining and the air feeling fresh.
The temperature is a warm 73.4°F. The current temperature is almost at the maximum of today's 75.2°F.

Wednesday Oct 21, 2026

  • 75°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphN 5°
  • Humidity: 35%
  • UV index: 5
  • Sunrise: 7:10 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
Today, sunshine is forecasted under mostly clear skies.
Temperature fluctuations will be substantial, ranging from a peak of a moderately hot 75.2°F to a low of a chilly 44.6°F.
The higher temperature of 75.2°F is more typical of September than October.
Sunrise was at 7:10 am and sunset will be at 6:10 pm; the daylight will last for 11h and 0min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 75°C.
Coldest hour: 11 pm 52°C.

Chance of precipitation

Highest chance: 11 pm 2%.

Hourly weather forecast

  • 2 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphN 7°
  • Humidity: 32%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 3 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphN 7°
  • Humidity: 31%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNE 14°
  • Humidity: 31%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphN 6°
  • Humidity: 35%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphN 5°
  • Humidity: 43%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:10 pm
  • 7 pm
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphN 4°
  • Humidity: 52%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 0mphN 0°
  • Humidity: 69%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 0mphN 0°
  • Humidity: 74%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 54°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 0mphN 355°
  • Humidity: 80%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphNNW 345°
  • Humidity: 83%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the remainder of Wednesday, clear skies and sunny weather are expected.
The temperature will vary between the highest temperature of 75.2°F and the lowest temperature of 51.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted maximum is more close to September's typical high of 80.1°F than the average for October. Forecasts indicate a night temperature relatively lower than the usual October minimum of 49.6°F.
Updated: Oct 21, 2026 @ 18:00:30 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 1:00 pm CDT, the temperature is 73.4°F.

Today, in Johnston City, sunny conditions are expected to continue.

Today, the maximum temperature will be 75.2°F, while the minimum temperature will be 44.6°F.
The highest temperature will be moderately higher than the average maximum of 67.3°F in October. The lowest temperature will be also a few degrees lower than the average low of 49.6°F.

On Wednesday, in Johnston City, sunrise was at 7:10 am and sunset will be at 6:10 pm (CDT).

In Johnston City, Illinois, today, there will be 11h and 0min of daylight.