City of Johnson City Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for City of Johnson City in one place.
Mostly clear, with a low around 62. East wind 0 to 5 mph.
Local Weather Overview
This forecast page for City of Johnson City 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: Sep 16, 2026 5:45 AM EDT.
The active forecast window currently covers Sep 16 to Sep 22, 2026 for City of Johnson City.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 22, 2026
- Latest sync
- Sep 16, 2026 5:45 AM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in City of Johnson City
Wednesday looks like the warmest upcoming period in City of Johnson City at 90 degrees F.
Overnight is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Overnight at about 0 to 5 mph E.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 16, 2026 5:45 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
Sunny, with a high near 90. North wind 0 to 5 mph.
Mostly clear, with a low around 65. East wind around 0 mph.
A slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 90. Northwest wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67. Northwest wind around 0 mph. Chance of precipitation is 20%.
A slight chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 88. Northwest wind 0 to 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 66. Northeast wind around 0 mph. Chance of precipitation is 60%.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 65. Chance of precipitation is 50%.
A chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 65. Chance of precipitation is 50%.
A chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
A chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Sep 16
|
Mostly Clear
|
62°F |
0 to 5 mph
E
|
|
Wednesday
Sep 16
|
Sunny
|
90°F |
0 to 5 mph
N
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
65°F |
0 mph
|
|
Thursday
Sep 17
|
Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
0 to 5 mph
NW
|
|
Thursday Night
Sep 17
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
67°F |
0 mph
|
|
Friday
Sep 18
|
Showers And Thunderstorms Likely
|
88°F |
0 to 5 mph
NW
|
|
Friday Night
Sep 18
|
Showers And Thunderstorms Likely then Partly Cloudy
|
66°F |
0 mph
|
|
Saturday
Sep 19
|
Chance Showers And Thunderstorms
|
86°F |
0 to 5 mph
S
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
65°F |
5 mph
SE
|
|
Sunday
Sep 20
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
SW
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
65°F |
0 mph
|
|
Monday
Sep 21
|
Showers And Thunderstorms Likely
|
87°F |
0 mph
|
|
Monday Night
Sep 21
|
Showers And Thunderstorms Likely
|
65°F |
0 to 5 mph
S
|
|
Tuesday
Sep 22
|
Showers And Thunderstorms Likely
|
84°F |
0 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around City of Johnson City.
