Tennessee · NWS MRX office

Johnson City, TN weather

It is 41°F at Bristol / Johnson / Kingsport, Tri-City Regional Airport as of Oct 28, 5:10 AM EDT. Overnight: Mostly Cloudy, low near 44°F. Forecast from the National Weather Service, issued Oct 28, 2:26 AM EDT.

Updated Oct 28, 5:18 AM EDT (snapshot)

Current conditions

Temperature

41°F

Mostly Cloudy

Wind

Calm

Humidity 93% · dew point 39°F

Pressure · visibility

30.33 inHg

Visibility 10 mi

Observed at Bristol / Johnson / Kingsport, Tri-City Regional Airport (KTRI), Oct 28, 5:10 AM EDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Johnson City forecast zone right now.

Around the NWS MRX forecast area

No active alerts in zones served by the MRX office near Johnson City.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. No alerts are active anywhere in Tennessee.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Johnson City (local time)
TimeTempForecastPrecip. chanceWind
Wed 5 AM47°FMostly Cloudy0% 0 mph
Wed 6 AM46°FPartly Sunny0% 0 mph
Wed 7 AM45°FPartly Sunny0% 0 mph
Wed 8 AM45°FPatchy Fog0% 0 mph
Wed 9 AM47°FMostly Cloudy0% 0 mph
Wed 10 AM53°FMostly Cloudy0% 0 mph
Wed 11 AM60°FMostly Cloudy0% 0 mph
Wed 12 PM65°FMostly Cloudy0% 0 mph
Wed 1 PM70°FCloudy0% 0 mph
Wed 2 PM72°FCloudy0% 0 mph
Wed 3 PM73°FCloudy0% 0 mph
Wed 4 PM74°FMostly Cloudy0% 0 mph
Wed 5 PM72°FPartly Sunny0% 0 mph
Wed 6 PM71°FMostly Cloudy0% 0 mph
Wed 7 PM66°FMostly Cloudy0% 0 mph
Wed 8 PM60°FPartly Cloudy0%SE 5 mph
Wed 9 PM57°FMostly Clear0%SE 5 mph
Wed 10 PM55°FPartly Cloudy0%SE 5 mph
Wed 11 PM53°FMostly Clear0%SE 5 mph
Thu 12 AM52°FMostly Clear0%SE 5 mph
Thu 1 AM50°FMostly Clear0% 0 mph
Thu 2 AM49°FMostly Clear0% 0 mph
Thu 3 AM49°FPartly Cloudy0% 0 mph
Thu 4 AM48°FMostly Clear0% 0 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Johnson City can differ.

7-day forecast

Overnight

Low 44°F

Mostly cloudy, with a low around 44. East wind around 0 mph.

Wednesday

High 74°F·Low 45°F

Mostly cloudy, with a high near 74. Northeast wind around 0 mph.

Wednesday Night: Partly cloudy, with a low around 45. East wind 0 to 5 mph.

Thursday

High 75°F·Low 44°F

Sunny, with a high near 75. North wind around 0 mph.

Thursday Night: Mostly clear, with a low around 44. North wind around 0 mph.

Friday

High 78°F·Low 50°F

Sunny, with a high near 78. North wind 0 to 5 mph.

Friday Night: Mostly cloudy, with a low around 50. East wind 0 to 5 mph.

Saturday

High 74°F·Low 51°F

Mostly cloudy, with a high near 74.

Saturday Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 20%.

Sunday

High 67°F·Low 53°F

A chance of rain showers. Cloudy, with a high near 67. Chance of precipitation is 50%.

Sunday Night: Rain showers likely. Cloudy, with a low around 53. Chance of precipitation is 60%.

Monday

High 71°F·Low 53°F

A chance of rain showers. Cloudy, with a high near 71. Chance of precipitation is 50%.

Monday Night: A slight chance of rain showers. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.

Tuesday

High 74°F

A chance of rain showers. Partly sunny, with a high near 74.

Nearby cities

Larger cities in the area

See every city we cover in Tennessee, or check all active alerts.

About this forecast

Forecast office
Johnson City is served by the National Weather Service MRX forecast office, forecast zone TNZ044, county zone TNC179.
Location used
The Census Bureau's internal point for Johnson City (36.3423, -82.3809), in Washington County. Population: 73,635 (2024 estimate), number 8 of the 32 Tennessee cities on this site.
Radar
Nearest NWS radar: KMRX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/36.3423,-82.3809 (forecast issued Oct 28, 2:26 AM EDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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