National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Bristol / Johnson / Kingsport, Tri-City Regional Airport (KTRI)

Lat: 36.48°NLon: 82.4°WElev: 1519ft.

Partly Cloudy

86°F

30°C

Humidity 55%
Wind Speed Calm
Barometer 30.14 in (1018.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 31 Aug 6:53 pm EDT
Extended Forecast for

Johnson City TN

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93. Heat index values as high as 97. Calm wind becoming northwest around 5 mph.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. Calm wind.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers before 8pm. Mostly clear, with a low around 68. Calm wind.
Tuesday
Sunny and hot, with a high near 93. Heat index values as high as 97. Calm wind becoming northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 69. Calm wind.
Wednesday
Sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind.
Wednesday Night
Mostly clear, with a low around 70. Calm wind.
Thursday
Sunny and hot, with a high near 96. Calm wind.
Thursday Night
Mostly clear, with a low around 70. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69.
Saturday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Labor Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnson City TN
 36.34°N 82.4°W (Elev. 1699 ft)
Last Update:
7:06 pm EDT Aug 31, 2026
Forecast Valid:
7pm EDT Aug 31, 2026-6pm EDT Sep 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation