Decatur County, TN Weather Forecast
County weather hub
Patchy Fog
Compare major city weather across Decatur County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy fog before 4am. Partly cloudy, with a low around 72. West southwest wind around 0 mph.
County Weather Overview
This county weather page brings together forecast coverage for Decatur 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 Decatur County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 18 to Jul 24, 2026
- Latest sync
- Jul 18, 2026 2:41 AM CDT
- Forecast office
- MEG
- Source
- NOAA / NWS
Daily Outlook
This Week in Decatur County
Tuesday looks like the warmest upcoming period in Decatur County at 95 degrees F.
Thursday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 10 mph N.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 18, 2026 2:41 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- MEG
- Radar station
- KHPX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Patchy fog before 8am. Sunny, with a high near 92. Heat index values as high as 102. West wind 0 to 5 mph.
A chance of showers and thunderstorms between 4am and 5am, then a slight chance of showers and thunderstorms. Mostly clear, with a low around 73. West southwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Patchy fog before 8am, then a chance of showers and thunderstorms. Sunny. High near 91, with temperatures falling to around 88 in the afternoon. Heat index values as high as 102. West wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. North northwest wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 93. North northwest wind 0 to 5 mph.
Mostly clear, with a low around 74. Northwest wind around 0 mph.
Sunny, with a high near 95. Southwest wind 0 to 5 mph.
A slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 74. Chance of precipitation is 20%.
Sunny, with a high near 91.
Mostly clear, with a low around 68.
Mostly sunny, with a high near 88.
Mostly clear, with a low around 67.
Mostly sunny, with a high near 90.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 18
|
Patchy Fog
|
72°F |
0 mph
|
|
Saturday
Jul 18
|
Patchy Fog then Sunny
|
92°F |
0 to 5 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear then Chance Showers And Thunderstorms
|
73°F |
0 to 5 mph
WSW
|
|
Sunday
Jul 19
|
Patchy Fog then Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
W
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms then Mostly Clear
|
72°F |
0 mph
|
|
Monday
Jul 20
|
Sunny
|
93°F |
0 to 5 mph
NNW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
74°F |
0 mph
|
|
Tuesday
Jul 21
|
Sunny
|
95°F |
0 to 5 mph
SW
|
|
Tuesday Night
Jul 21
|
Slight Chance Showers And Thunderstorms
|
74°F |
0 to 5 mph
W
|
|
Wednesday
Jul 22
|
Sunny
|
91°F |
5 to 10 mph
N
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
68°F |
0 to 10 mph
NNE
|
|
Thursday
Jul 23
|
Mostly Sunny
|
88°F |
0 to 5 mph
NNE
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
67°F |
0 to 5 mph
NNE
|
|
Friday
Jul 24
|
Mostly Sunny
|
90°F |
0 to 5 mph
NNE
|
Major City Forecasts
Live forecast snapshots for major cities across Decatur County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Decatur County.
Largest mapped city population in this region: 2,272.
