Decatur County, TN Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Decatur County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms between 8am and 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers and thunderstorms. Mostly cloudy. High near 77, with temperatures falling to around 62 in the afternoon. West southwest wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
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
- Apr 18 to Apr 23, 2026
- Latest sync
- Apr 17, 2026 7:12 PM CDT
- Forecast office
- MEG
- Source
- NOAA / NWS
Daily Outlook
This Week in Decatur County
Thursday looks like the warmest upcoming period in Decatur County at 85 degrees F.
Sunday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Saturday at about 10 mph WSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 17, 2026 7:12 PM CDT
- Coverage
- 6 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
Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 43. North wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunny, with a high near 68. North wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
Clear, with a low around 42. West southwest wind 0 to 5 mph.
Sunny, with a high near 75. West wind 0 to 5 mph.
Clear, with a low around 48. Southwest wind 0 to 5 mph.
Sunny, with a high near 81.
Partly cloudy, with a low around 54.
Mostly sunny, with a high near 82.
Mostly clear, with a low around 56.
Sunny, with a high near 85.
Partly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Chance Showers And Thunderstorms
|
77°F |
10 mph
WSW
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms Likely
|
43°F |
5 to 10 mph
N
|
|
Sunday
Apr 19
|
Sunny
|
68°F |
5 to 10 mph
N
|
|
Sunday Night
Apr 19
|
Clear
|
42°F |
0 to 5 mph
WSW
|
|
Monday
Apr 20
|
Sunny
|
75°F |
0 to 5 mph
W
|
|
Monday Night
Apr 20
|
Clear
|
48°F |
0 to 5 mph
SW
|
|
Tuesday
Apr 21
|
Sunny
|
81°F |
5 to 10 mph
SSW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
54°F |
5 mph
SSW
|
|
Wednesday
Apr 22
|
Mostly Sunny
|
82°F |
5 to 10 mph
SSW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
56°F |
0 to 5 mph
S
|
|
Thursday
Apr 23
|
Sunny
|
85°F |
5 to 10 mph
S
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
59°F |
5 mph
S
|
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.
