Johnston City Weather Today

Daily Weather Forecast & Temperature in Johnston City

clear sky
20°
clear sky
H: 21° L: 19°
Feels like 20°
AQI: (/5)
Humidity
80%
Dew 17°
Wind speed
22.21 km/h
SSW · G27.79
Pressure
1015 hPa
Visibility
10 km
High Winds
Wind speed is 22.21 km/h. Secure loose objects.
Weather Summary
Currently in Johnston City, expect varied conditions with mild temperatures around 20°. Winds are moderate winds.
Precipitation Probability
0%
07
0%
10
0%
13
0%
16
0%
19
20%
22
64%
01
100%
04
91%
07
39%
10
0%
13
0%
16
0%
19
0%
22
0%
01
100%
04
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
22°
Tue
07:00
25°
 
30°
 
30°
 
27°
Tue
19:00
23°
 
21°
 
19°
 
20°
Wed
07:00
22°
 
26°
 
26°
 
23°
Wed
19:00
21°
 
21°
 
19°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:21
Sunset
Sunset
19:29
Moon Phase
Waning Crescent (8%)
Timezone: GMT+05:30
Last updated: Apr 14, 2026 11:10 AM · Data refreshes every 5 min
Location Info
Latitude
Latitude
37.820610
Longitude
Longitude
-88.927567
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More about Johnston City
Content curated by the NearWeather editorial team · Updated periodically
Johnston City is a small city located in Williamson County, Illinois, United States. It has a population of approximately 2,400 people. The city is located in the south central part of the state, about 25 miles from the state capital of Springfield. The climate in Johnston City is mild, with hot summers and cold winters. The average temperature year-round is between 40°F and 70°F. Summers are usually hot and humid with temperatures in the 80s and 90s, while winters are cold and snowy with temperatures in the 20s and 30s.
Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Johnston City
What is the Latitude and Longitude of Johnston City?

Johnston City's Latitude is 37.820610 & Longitude is -88.927567.

What is the weather in Johnston City today?

Weather in Johnston City is 20° today.

What is the climatic condition of Johnston City today?

Climate Conditions in Johnston City shows clear sky today.

What is the humidity in Johnston City today?

Humidity in Johnston City is 80% today.

What is the wind speed in Johnston City today?

Wind speed in Johnston City is 22.21 km/h, flowing at 200° SSW wind direction.

What does it feel like in Johnston City today?

It feels like 20° in Johnston City today, with 0% cloud cover and 10 km visibility.

Weather in Johnston City