Skip to main content
Plan your week in Johnson County with our detailed 7-Day Weather Forecast. Access reliable daily temperature highs and lows, rain chances, and weekly weather pattern summaries.

Johnson County 7-Day Weather Forecast

Wednesday, Oct 21, 2026

Daytime
57°F

Sunny / Clear

Feels like 57°F

Humidity

59%

Wind Speed

5.1 mph

Precipitation

0 in

Pressure

1021 hPa

UV Index

0

Visibility

10 mi

Cloud Cover

0%

Dew Point

48°F

7-Day Weather Forecast

Today

Oct 21

Sunny / Clear
57°H
52°L
0%

Thu

Oct 22

Sunny / Clear
60°H
40°L
0%

Fri

Oct 23

Sunny / Clear
62°H
33°L
0%

Sat

Oct 24

Sunny / Clear
59°H
40°L
0%

Sun

Oct 25

Sunny / Clear
57°H
34°L
0%

Mon

Oct 26

Sunny / Clear
60°H
35°L
0%

Tue

Oct 27

Sunny / Clear
64°H
43°L
0%

24-Hour Forecast

10 PM

57°

0%

11 PM

52°

0%

12 AM

50°

0%

1 AM

48°

0%

2 AM

47°

0%

3 AM

46°

0%

4 AM

45°

0%

5 AM

45°

0%

6 AM

44°

0%

7 AM

43°

0%

8 AM

42°

0%

9 AM

41°

0%

10 AM

40°

0%

11 AM

40°

0%

12 PM

40°

0%

1 PM

46°

0%

2 PM

51°

0%

3 PM

54°

0%

4 PM

56°

0%

5 PM

58°

0%

6 PM

59°

0%

7 PM

60°

0%

8 PM

60°

0%

9 PM

59°

0%

Air Quality (AQI)

Air quality sensors are offline for this coordinate.

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

Waxing Gibbous

Waxing Gibbous

Wind Conditions & Storm Tracking

Wind Direction

324.1° NW

Sustained Wind

5.1 mph

Wind Gusts

5.1 mph

7-Day Temp Range

Week's Hottest

64°F

Max Rain Prob

0%

Expected 7-Day Swings

33°
64°

High and low limits expected over the next week.

Location View

Johnson County · 36.45°N, 81.84°W
Radar Page
Coordinates36.4529°N, 81.8378°W
Elevationm
TimezoneAmerica/New_York

More weather updates in Tennessee

Explore all weather stations, radar maps, and localized forecasts.

Explore All Tennessee Stations

Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)N/AOffline
UV Index0Low Risk
Visibility10 milesClear

Frequently Asked Questions

The 7-day forecast for Johnson County includes comprehensive daily weather summaries, max/min temperatures, and expected rainfall to keep you prepared for the week.

About Johnson County Climate & Weather

Weather forecast for Johnson County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.

Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.