Johnson, TN Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Johnson, TN in one place.
Sunny, with a high near 88. Southwest wind 0 to 5 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: Oct 15, 2026 2:57 PM EDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Johnson, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 2:57 PM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson
This Afternoon looks like the warmest upcoming period in Johnson at 88 degrees F.
Saturday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Friday at about 5 to 15 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 2:57 PM 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
Mostly clear, with a low around 64. Southwest wind around 5 mph.
A slight chance of rain showers between 4pm and 5pm. Mostly sunny. High near 81, with temperatures falling to around 72 in the afternoon. West wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers. Mostly cloudy, with a low around 48. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 59. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 39. Northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 63. Northeast wind 0 to 10 mph.
Mostly clear, with a low around 40.
Sunny, with a high near 67.
Mostly clear, with a low around 46.
Mostly sunny, with a high near 69.
Mostly clear, with a low around 46.
Sunny, with a high near 72.
Clear, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Sunny
|
88°F |
0 to 5 mph
SW
|
|
Tonight
Oct 15
|
Mostly Clear
|
64°F |
5 mph
SW
|
|
Friday
Oct 16
|
Mostly Sunny then Slight Chance Rain Showers
|
81°F |
5 to 15 mph
W
|
|
Friday Night
Oct 16
|
Chance Rain Showers
|
48°F |
10 to 15 mph
NW
|
|
Saturday
Oct 17
|
Slight Chance Rain Showers then Mostly Sunny
|
59°F |
10 to 15 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
39°F |
5 to 15 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
63°F |
0 to 10 mph
NE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
40°F |
0 to 5 mph
NE
|
|
Monday
Oct 19
|
Sunny
|
67°F |
0 to 5 mph
NE
|
|
Monday Night
Oct 19
|
Mostly Clear
|
46°F |
0 to 5 mph
NE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
69°F |
0 to 5 mph
NE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
46°F |
0 to 5 mph
NE
|
|
Wednesday
Oct 21
|
Sunny
|
72°F |
0 mph
|
|
Wednesday Night
Oct 21
|
Clear
|
48°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnson.