Johnson, TN Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Johnson, TN in one place.
Mostly sunny, with a high near 90. Northeast wind around 0 mph.
Local Weather Overview
This forecast page for Johnson, 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: Aug 27, 2026 7:48 PM EDT.
The active forecast window currently covers Aug 29 to Sep 2, 2026 for Johnson, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 2, 2026
- Latest sync
- Aug 27, 2026 7:48 PM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson
Tuesday looks like the warmest upcoming period in Johnson at 93 degrees F.
Saturday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Saturday at about 0 mph .
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 7:48 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
Partly cloudy, with a low around 68. Southeast wind around 0 mph.
Mostly sunny, with a high near 91. Southwest wind around 0 mph.
Mostly clear, with a low around 70.
Mostly sunny, with a high near 92.
Mostly clear, with a low around 71.
Sunny, with a high near 93.
Mostly clear, with a low around 71.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Mostly Sunny
|
90°F |
0 mph
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
68°F |
0 mph
|
|
Sunday
Aug 30
|
Mostly Sunny
|
91°F |
0 mph
|
|
Sunday Night
Aug 30
|
Mostly Clear
|
70°F |
0 mph
|
|
Monday
Aug 31
|
Mostly Sunny
|
92°F |
0 mph
|
|
Monday Night
Aug 31
|
Mostly Clear
|
71°F |
0 mph
|
|
Tuesday
Sep 1
|
Sunny
|
93°F |
0 mph
|
|
Tuesday Night
Sep 1
|
Mostly Clear
|
71°F |
0 mph
|
|
Wednesday
Sep 2
|
Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
0 mph
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
72°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnson.