Johnson City, TN Weather Forecast

Local 7-day forecast

78°
F

Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Johnson City, TN in one place.

Tuesday, May 26, 2026
Wind: 0 mph
Tuesday

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 7-day forecast

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
Next High
78°F
Tuesday
Next Low
60°F
Tuesday Night
Rain Outlook
10
Periods mentioning precipitation
Windiest
0 to 5 mph
Wednesday

Daily Outlook

Today
May 26
Showers And Thunderstorms
78 °F
/ 60°F
Wind 0 mph
Wed
May 27
Showers And Thunderstorms
78 °F
/ 59°F
Wind 0 to 5 mph
Thu
May 28
Showers And Thunderstorms
79 °F
/ 59°F
Wind 0 to 5 mph
Fri
May 29
Showers And Thunderstorms Likely
77 °F
/ 55°F
Wind 0 to 5 mph
Sat
May 30
Showers And Thunderstorms Likely
72 °F
/ 52°F
Wind 5 mph

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 source

Extended Forecast

Tuesday Night
May 26
60°F
Showers And Thunderstorms
0 mph

Showers and thunderstorms. Mostly cloudy, with a low around 60. South wind around 0 mph. Chance of precipitation is 100%.

Wednesday
May 27
78°F
Showers And Thunderstorms
0 to 5 mph SW

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%.

Wednesday Night
May 27
59°F
Showers And Thunderstorms
0 to 5 mph SW

Showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 90%.

Thursday
May 28
79°F
Showers And Thunderstorms
0 to 5 mph W

A chance of rain showers before 8am, then showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 90%.

Thursday Night
May 28
59°F
Showers And Thunderstorms
0 to 5 mph SW

Showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 90%.

Friday
May 29
77°F
Showers And Thunderstorms Likely
0 to 5 mph SW

A chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 77. Chance of precipitation is 70%.

Friday Night
May 29
55°F
Showers And Thunderstorms Likely
5 mph NE

Showers and thunderstorms likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.

Saturday
May 30
72°F
Showers And Thunderstorms Likely
5 mph NE

A chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 72. Chance of precipitation is 60%.

Saturday Night
May 30
52°F
Showers And Thunderstorms Likely
5 mph E

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
Johnsoncitydowntown
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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.