Jefferson County, TN Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Jefferson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 81. West wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Jefferson County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Jefferson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 1 to Jun 6, 2026
- Latest sync
- May 31, 2026 5:26 PM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson County
Saturday looks like the warmest upcoming period in Jefferson County at 86 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Monday at about 0 to 5 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 5:26 PM EDT
- Coverage
- 6 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 before 9pm. Mostly cloudy, with a low around 58. Northeast wind 0 to 5 mph. Chance of precipitation is 50%.
A slight chance of rain showers between 8am and 2pm. Mostly sunny, with a high near 79. Northeast wind 0 to 5 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 53. Northeast wind 0 to 5 mph.
Sunny, with a high near 79. Northeast wind 0 to 5 mph.
Clear, with a low around 55.
Sunny, with a high near 82.
Mostly clear, with a low around 59.
Mostly sunny, with a high near 85.
Partly cloudy, with a low around 61.
Mostly sunny, with a high near 86.
Partly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 1
|
Chance Showers And Thunderstorms
|
81°F |
0 to 5 mph
W
|
|
Monday Night
Jun 1
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
58°F |
0 to 5 mph
NE
|
|
Tuesday
Jun 2
|
Slight Chance Rain Showers
|
79°F |
0 to 5 mph
NE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
53°F |
0 to 5 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
79°F |
0 to 5 mph
NE
|
|
Wednesday Night
Jun 3
|
Clear
|
55°F |
0 mph
|
|
Thursday
Jun 4
|
Sunny
|
82°F |
0 mph
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
59°F |
0 mph
|
|
Friday
Jun 5
|
Mostly Sunny
|
85°F |
0 to 5 mph
NW
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
61°F |
0 to 5 mph
NW
|
|
Saturday
Jun 6
|
Mostly Sunny
|
86°F |
0 to 5 mph
W
|
|
Saturday Night
Jun 6
|
Partly Cloudy
|
64°F |
0 to 5 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Jefferson County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Jefferson County.
Largest mapped city population in this region: 2,634.
