Johnson City, TN Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Johnson City, TN in one place.
Partly cloudy, with a low around 65. South wind around 0 mph.
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: Jun 14, 2026 3:40 AM EDT.
The active forecast window currently covers Jun 14 to Jun 20, 2026 for Johnson City, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 14 to Jun 20, 2026
- Latest sync
- Jun 14, 2026 3:40 AM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson City
Sunday looks like the warmest upcoming period in Johnson City at 85 degrees F.
Monday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Thursday at about 10 to 15 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 14, 2026 3:40 AM EDT
- Coverage
- 7 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 between noon and 5pm, then showers and thunderstorms likely. Mostly sunny. High near 85, with temperatures falling to around 80 in the afternoon. West wind 0 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms before 5am. Mostly cloudy. Low around 60, with temperatures rising to around 64 overnight. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Partly sunny, with a high near 75. Northwest wind around 5 mph.
Partly cloudy, with a low around 56. West wind 0 to 5 mph.
Mostly sunny, with a high near 76. Northwest wind 0 to 5 mph.
Partly cloudy, with a low around 56. Southwest wind 0 to 5 mph.
Mostly sunny, with a high near 81.
A slight chance of rain showers after 2am. Mostly clear, with a low around 63. Chance of precipitation is 20%.
A slight chance of rain showers before 8am, then showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 80%.
Showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 80%.
Rain showers before 8am, then showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 80%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jun 14
|
Partly Cloudy
|
65°F |
0 mph
|
|
Sunday
Jun 14
|
Mostly Sunny then Chance Showers And Thunderstorms
|
85°F |
0 to 10 mph
W
|
|
Sunday Night
Jun 14
|
Showers And Thunderstorms
|
60°F |
5 to 10 mph
W
|
|
Monday
Jun 15
|
Partly Sunny
|
75°F |
5 mph
NW
|
|
Monday Night
Jun 15
|
Partly Cloudy
|
56°F |
0 to 5 mph
W
|
|
Tuesday
Jun 16
|
Mostly Sunny
|
76°F |
0 to 5 mph
NW
|
|
Tuesday Night
Jun 16
|
Partly Cloudy
|
56°F |
0 to 5 mph
SW
|
|
Wednesday
Jun 17
|
Mostly Sunny
|
81°F |
0 to 10 mph
SW
|
|
Wednesday Night
Jun 17
|
Mostly Clear then Slight Chance Rain Showers
|
63°F |
5 to 10 mph
SW
|
|
Thursday
Jun 18
|
Showers And Thunderstorms
|
84°F |
10 to 15 mph
SW
|
|
Thursday Night
Jun 18
|
Showers And Thunderstorms
|
64°F |
10 to 15 mph
W
|
|
Juneteenth
Jun 19
|
Showers And Thunderstorms
|
76°F |
10 mph
W
|
|
Friday Night
Jun 19
|
Showers And Thunderstorms Likely
|
59°F |
0 to 10 mph
W
|
|
Saturday
Jun 20
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
78°F |
0 to 5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnson City.
