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Johnson City, TN 37601 Weather
Current conditions
Observed at Bristol / Johnson / Kingsport, Tri-City Regional Airport · 48 min ago
Forecast
10-day-
This Afternoon
Sunny, with a high near 72. Northwest wind 0 to 5 mph.
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Tonight
Patchy fog after 4am. Mostly clear, with a low around 38. North wind around 0 mph.
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Thursday
Sunny, with a high near 69. North wind 0 to 5 mph.
National Weather Service forecast updated 7 hrs ago.
Hourly
Hourly forecast- Now69°
- 3 PM71°
- 4 PM71°
- 5 PM72°
- 6 PM70°
- 7 PM64°
- 8 PM60°
- 9 PM52°
- 10 PM50°
- 11 PM48°
- Thu12 AM46°
- 1 AM45°
- 2 AM44°
- 3 AM42°
- 4 AM40°
- 5 AM40°
- 6 AM39°
- 7 AM39°
- 8 AM38°
- 9 AM41°
- 10 AM47°
- 11 AM55°
- 12 PM59°
- 1 PM63°
10-day forecast
Details- TodayOct 21Sunny38°72°
- ThuOct 22Sunny34°69°
- FriOct 23Sunny36°72°
- SatOct 24Sunny35°71°
- SunOct 25Sunny37°70°
- MonOct 26Sunny40°71°
- TueOct 27Mostly Sunny43°72°
- WedOct 28Cloudy50°73°
- ThuOct 29Mostly sunny46°74°
- FriOct 30Partly cloudy51°72°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Johnson City
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Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Forecast
- WedGood (47)
- ThuGood (49)
- FriModerate (51)
Tri-Cities, TN reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyElizabethton, records since 1895. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Kingsport 31 km
- Bristol 32 km
- Bristol 32 km
- Greeneville 48 km
- Elizabethton 12 km
- Bloomingdale 31 km
- Chuckey 34 km
- Abingdon 53 km
- Colonial Heights 22 km
- Church Hill 39 km
- Erwin 22 km
- Mount Carmel 37 km
Forecasters' discussion
From the National Weather Service office in MRX, issued 53 min ago
Key Messages
Updated at 138 PM EDT Wed Oct 21 2026
- Continued pleasant fall weather for the next week
- Chances for patchy fog in the river valleys many mornings.
Discussion
Issued at 138 PM EDT Wed Oct 21 2026
Persistence forecast for the next several days, and most of the next week as the surface and lower levels of the atmosphere remain mostly under high pressure with ridging trying to build in from the west further up in the atmosphere.
This will lead to continued pleasant weather days with mostly clear skies, light winds, and temperatures right around seasonal normals. Have made a few tweaks to dew points and included patchy fog in the river valleys as we've seen the past several mornings... But otherwise this is a low impacts forecast for the southern Appalachians and eastern Tennessee Valley.
Increased clouds could move in next week as a trough swings through to our north, but as of this writing no precipitation is anticipated.
Aviation
(18Z TAFS) Issued at 138 PM EDT Wed Oct 21 2026
VFR conditions expected the next 24 hours. Some guidance is trying to bring in light fog once again overnight, but it hasn't occurred in the past couple of nights, so have left it out of the TAFs.
Preliminary Point Temps
Chattanooga Airport, TN 48 74 49 73 / 0 0 0 0 Knoxville McGhee Tyson Airport, TN 44 72 44 72 / 0 0 0 0 Oak Ridge, TN 45 72 45 71 / 0 0 0 0 Tri Cities Airport, TN 38 69 36 71 / 0 0 0 0
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.