Weather today - Johnston City, IL

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Weather forecast for today

Current condition 5:05 pm CDT

72°F
Feels like:
72°F

Sunny

Precipitation: 0"
Wind: 4mphNE 50°
Humidity: 38%
Dewpoint: 45°F
Pressure: 30.25"Hg
Visibility: 10mi
UV index: 0
details ▼

Currently, the weather is cheerful and full of sunlight.
The temperature is a pleasant 71.6°F.

Tuesday Oct 20, 2026

min.
43°F

Clear

Precip. probability: 4%
Precipitation: 0"
Wind: 4mphENE 66°
Humidity: 77%
UV index: 0
Sunrise: 7:09 am CDT
Sunset: 6:11 pm CDT
details ▼

In Johnston City, as the evening continues, expect a flawless blue sky throughout the day.
The lowest predicted temperature is a chilly 42.8°F.
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 hour: 6 pm 68°C.
Coldest period: 12 am - 1 am 48°C.

Chance of precipitation

Highest chance: 1 am 3%.

Hourly weather forecast

6 pm

68°F
Feels like:
68°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: 1mphENE 70°
Humidity: 67%
Pressure: 30.27"Hg
Visibility: 10mi
UV index: 0
details ▼

9 pm

54°F
Feels like:
54°F

Clear

Precip. probability: 1%
Precipitation: 0"
Wind: 1mphENE 68°
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 67°
Humidity: 79%
Pressure: 30.27"Hg
Visibility: 10mi
UV index: 0
details ▼

11 pm

50°F
Feels like:
50°F

Clear

Precip. probability: 1%
Precipitation: 0"
Wind: 1mphENE 78°
Humidity: 81%
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: 0mphE 81°
Humidity: 85%
Pressure: 30.24"Hg
Visibility: 10mi
UV index: 0
details ▼

1 am

48°F
Feels like:
48°F

Clear

Precip. probability: 3%
Precipitation: 0"
Wind: 1mphENE 72°
Humidity: 90%
Pressure: 30.24"Hg
Visibility: 10mi
UV index: 0
details ▼

2 am

46°F
Feels like:
46°F

Clear

Precip. probability: 3%
Precipitation: 0"
Wind: 0mphENE 70°
Humidity: 90%
Pressure: 30.24"Hg
Visibility: 10mi
UV index: 0
details ▼

3 am

46°F
Feels like:
46°F

Clear

Precip. probability: 4%
Precipitation: 0"
Wind: 0mphENE 68°
Humidity: 90%
Pressure: 30.24"Hg
Visibility: 10mi
UV index: 0
details ▼

During the evening and for the remainder of the day, bright and mostly sunny weather is expected.
The temperature will be between the highest temperature of 68°F and the lowest temperature of 50°F.

Updated: Oct 20, 2026 @ 22:05:41 UTC
Published by: Weather Atlas | About Us
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Weather Forecasting & Climate