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.
A - Johnston City's Latitude is 37.820610 & Longitude is -88.927567.
A - Weather in Johnston City is 10° today.
A - Climate Conditions in Johnston City shows overcast clouds today.
A - Humidity in Johnston City is 81% today.
A - Wind speed in Johnston City is 0 km/h. today.