Buchanan, TN Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Buchanan, TN in one place.
Sunny, with a high near 97. Heat index values as high as 109. Southwest wind 5 to 10 mph.
Local Weather Overview
This forecast page for Buchanan, 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: Aug 12, 2026 9:00 PM CDT.
The active forecast window currently covers Aug 14 to Aug 19, 2026 for Buchanan, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 14 to Aug 19, 2026
- Latest sync
- Aug 12, 2026 9:00 PM CDT
- Forecast office
- MEG
- Source
- NOAA / NWS
Daily Outlook
This Week in Buchanan
Sunday looks like the warmest upcoming period in Buchanan at 99 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 73 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 12, 2026 9:00 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- MEG
- Radar station
- KPAH
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 76. South southwest wind 0 to 5 mph.
Sunny, with a high near 98. Southwest wind around 5 mph.
Mostly clear, with a low around 76. Southwest wind 0 to 5 mph.
Sunny, with a high near 99. Southwest wind around 5 mph.
Mostly clear, with a low around 77.
Sunny, with a high near 98.
Mostly clear, with a low around 74.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. Chance of precipitation is 20%.
Sunny, with a high near 95.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Aug 14
|
Sunny
|
97°F |
5 to 10 mph
SW
|
|
Friday Night
Aug 14
|
Mostly Clear
|
76°F |
0 to 5 mph
SSW
|
|
Saturday
Aug 15
|
Sunny
|
98°F |
5 mph
SW
|
|
Saturday Night
Aug 15
|
Mostly Clear
|
76°F |
0 to 5 mph
SW
|
|
Sunday
Aug 16
|
Sunny
|
99°F |
5 mph
SW
|
|
Sunday Night
Aug 16
|
Mostly Clear
|
77°F |
0 to 5 mph
SW
|
|
Monday
Aug 17
|
Sunny
|
98°F |
5 mph
WNW
|
|
Monday Night
Aug 17
|
Mostly Clear
|
74°F |
0 to 5 mph
NNE
|
|
Tuesday
Aug 18
|
Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
0 to 5 mph
N
|
|
Tuesday Night
Aug 18
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
0 to 5 mph
NE
|
|
Wednesday
Aug 19
|
Sunny
|
95°F |
0 to 5 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Buchanan.