Greenbrier, TN Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Greenbrier, TN in one place.
Mostly clear, with a low around 63. South wind around 5 mph.
Local Weather Overview
This forecast page for Greenbrier, 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: Sep 16, 2026 5:20 AM EDT.
The active forecast window currently covers Sep 16 to Sep 22, 2026 for Greenbrier, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 22, 2026
- Latest sync
- Sep 16, 2026 5:20 AM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Greenbrier
Wednesday looks like the warmest upcoming period in Greenbrier at 77 degrees F.
Overnight is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Overnight at about 5 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 16, 2026 5:20 AM EDT
- Coverage
- 7 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
Sunny, with a high near 77. Northwest wind 0 to 5 mph.
Mostly clear, with a low around 65. South wind 0 to 5 mph.
Sunny, with a high near 77. West wind 0 to 5 mph.
Mostly clear, with a low around 67. East wind 0 to 5 mph.
A slight chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 77. East wind 0 to 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 2am. Partly cloudy, with a low around 66. East wind 0 to 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely after 8am. Mostly sunny, with a high near 76. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 65. Chance of precipitation is 60%.
A chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 76. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 65. Chance of precipitation is 60%.
A chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 75. Chance of precipitation is 70%.
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
A chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Sep 16
|
Mostly Clear
|
63°F |
5 mph
S
|
|
Wednesday
Sep 16
|
Sunny
|
77°F |
0 to 5 mph
NW
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
65°F |
0 to 5 mph
S
|
|
Thursday
Sep 17
|
Sunny
|
77°F |
0 to 5 mph
W
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
67°F |
0 to 5 mph
E
|
|
Friday
Sep 18
|
Showers And Thunderstorms Likely
|
77°F |
0 to 5 mph
E
|
|
Friday Night
Sep 18
|
Showers And Thunderstorms Likely
|
66°F |
0 to 5 mph
E
|
|
Saturday
Sep 19
|
Showers And Thunderstorms Likely
|
76°F |
0 mph
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
65°F |
0 to 5 mph
S
|
|
Sunday
Sep 20
|
Showers And Thunderstorms Likely
|
76°F |
0 to 5 mph
W
|
|
Sunday Night
Sep 20
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
65°F |
0 to 5 mph
S
|
|
Monday
Sep 21
|
Showers And Thunderstorms Likely
|
75°F |
0 mph
|
|
Monday Night
Sep 21
|
Showers And Thunderstorms Likely
|
63°F |
0 to 5 mph
SE
|
|
Tuesday
Sep 22
|
Showers And Thunderstorms Likely
|
73°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Greenbrier.