Johnson City, TN Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Johnson City, TN in one place.
A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms between 7am and 3pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 80. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
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: Jul 9, 2026 12:05 PM EDT.
The active forecast window currently covers Jul 10 to Jul 15, 2026 for Johnson City, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 15, 2026
- Latest sync
- Jul 9, 2026 12:05 PM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson City
Wednesday looks like the warmest upcoming period in Johnson City at 84 degrees F.
Monday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 9, 2026 12:05 PM EDT
- Coverage
- 6 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
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 65. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a high near 77. West wind around 5 mph. Chance of precipitation is 90%.
Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. Southwest wind 0 to 5 mph. Chance of precipitation is 90%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 80. West wind 0 to 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 50%.
Mostly sunny, with a high near 82.
Mostly clear, with a low around 63.
Sunny, with a high near 84.
Mostly clear, with a low around 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 10
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
80°F |
5 to 10 mph
W
|
|
Friday Night
Jul 10
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
65°F |
5 to 10 mph
W
|
|
Saturday
Jul 11
|
Showers And Thunderstorms
|
77°F |
5 mph
W
|
|
Saturday Night
Jul 11
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
64°F |
0 to 5 mph
SW
|
|
Sunday
Jul 12
|
Showers And Thunderstorms Likely
|
80°F |
0 to 5 mph
W
|
|
Sunday Night
Jul 12
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
63°F |
5 mph
E
|
|
Monday
Jul 13
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
79°F |
5 mph
SE
|
|
Monday Night
Jul 13
|
Chance Showers And Thunderstorms then Partly Cloudy
|
61°F |
5 mph
SE
|
|
Tuesday
Jul 14
|
Mostly Sunny
|
82°F |
0 to 5 mph
NE
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
63°F |
0 to 5 mph
SE
|
|
Wednesday
Jul 15
|
Sunny
|
84°F |
0 to 5 mph
SW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
65°F |
0 to 5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnson City.
