Decatur, TN Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Decatur, TN in one place.
Sunny, with a high near 76. Southwest wind 0 to 5 mph.
Local Weather Overview
This forecast page for Decatur, 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: Apr 9, 2026 7:07 PM EDT.
The active forecast window currently covers Apr 10 to Apr 15, 2026 for Decatur, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 7:07 PM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Decatur
Tuesday looks like the warmest upcoming period in Decatur at 87 degrees F.
Friday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Monday at about 5 to 15 mph S.
The forecast from Apr 10 through Apr 15 stays mostly dry.
Forecast Details
- Last updated
- Apr 9, 2026 7:07 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- MRX
- Radar station
- KHTX
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 47. South wind around 0 mph.
Sunny, with a high near 81. East wind around 0 mph.
Mostly clear, with a low around 49. Northeast wind around 0 mph.
Sunny, with a high near 84. South wind 0 to 10 mph, with gusts as high as 20 mph.
Partly cloudy, with a low around 58.
Partly sunny, with a high near 81.
Partly cloudy, with a low around 57.
Mostly sunny, with a high near 87.
Partly cloudy, with a low around 59.
Partly sunny, with a high near 87.
Partly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Sunny
|
76°F |
0 to 5 mph
SW
|
|
Friday Night
Apr 10
|
Mostly Clear
|
47°F |
0 mph
|
|
Saturday
Apr 11
|
Sunny
|
81°F |
0 mph
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
49°F |
0 mph
|
|
Sunday
Apr 12
|
Sunny
|
84°F |
0 to 10 mph
S
|
|
Sunday Night
Apr 12
|
Partly Cloudy
|
58°F |
5 to 10 mph
S
|
|
Monday
Apr 13
|
Partly Sunny
|
81°F |
5 to 15 mph
S
|
|
Monday Night
Apr 13
|
Partly Cloudy
|
57°F |
5 to 10 mph
S
|
|
Tuesday
Apr 14
|
Mostly Sunny
|
87°F |
5 to 10 mph
SW
|
|
Tuesday Night
Apr 14
|
Partly Cloudy
|
59°F |
5 to 10 mph
S
|
|
Wednesday
Apr 15
|
Partly Sunny
|
87°F |
5 to 10 mph
S
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
60°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Decatur.
Nearby forecast pages are not available for this location yet.
