Johnson City, TN Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Johnson City, TN in one place.
Rain showers before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 78. Southwest wind around 0 mph. Chance of precipitation is 100%.
Local Weather Overview
This forecast page for Johnson City, TN is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 24, 2026 12:54 PM EDT.
The active forecast window currently covers May 26 to May 30, 2026 for Johnson City, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 12:54 PM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson City
Thursday looks like the warmest upcoming period in Johnson City at 79 degrees F.
Saturday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Wednesday at about 0 to 5 mph SW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 12:54 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- MRX
- Radar station
- KMRX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms. Mostly cloudy, with a low around 60. South wind around 0 mph. Chance of precipitation is 100%.
A slight chance of rain showers before 8am, then showers and thunderstorms. Partly sunny, with a high near 78. Southwest wind 0 to 5 mph. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 90%.
A chance of rain showers before 8am, then showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 90%.
A chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 77. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
A chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 72. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Showers And Thunderstorms
|
78°F |
0 mph
|
|
Tuesday Night
May 26
|
Showers And Thunderstorms
|
60°F |
0 mph
|
|
Wednesday
May 27
|
Showers And Thunderstorms
|
78°F |
0 to 5 mph
SW
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms
|
59°F |
0 to 5 mph
SW
|
|
Thursday
May 28
|
Showers And Thunderstorms
|
79°F |
0 to 5 mph
W
|
|
Thursday Night
May 28
|
Showers And Thunderstorms
|
59°F |
0 to 5 mph
SW
|
|
Friday
May 29
|
Showers And Thunderstorms Likely
|
77°F |
0 to 5 mph
SW
|
|
Friday Night
May 29
|
Showers And Thunderstorms Likely
|
55°F |
5 mph
NE
|
|
Saturday
May 30
|
Showers And Thunderstorms Likely
|
72°F |
5 mph
NE
|
|
Saturday Night
May 30
|
Showers And Thunderstorms Likely
|
52°F |
5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnson City.