Greenbrier, TN Weather Forecast

Local 7-day forecast

74°
F

Mostly Clear

Track current conditions, temperature changes, wind, and the full daily outlook for Greenbrier, TN in one place.

Wednesday, September 16, 2026
Wind: 5 mph S
Overnight

Mostly clear, with a low around 74. South wind around 5 mph.

Local 7-day forecast

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 4:20 AM CDT.

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 4:20 AM CDT
Forecast office
OHX
Source
NOAA / NWS
Next High
99°F
Wednesday
Next Low
74°F
Overnight
Rain Outlook
3
Periods mentioning precipitation
Windiest
5 mph
Overnight

Daily Outlook

Today
Sep 16
Sunny
99 °F
/ 74°F
Wind 0 to 5 mph
Thu
Sep 17
Sunny
99 °F
/ 73°F
Wind 0 mph
Fri
Sep 18
Sunny
99 °F
/ 72°F
Wind 0 to 5 mph
Sat
Sep 19
Sunny
98 °F
/ 72°F
Wind 0 mph
Sun
Sep 20
Mostly Sunny
98 °F
/ 71°F
Wind 5 mph
Mon
Sep 21
Mostly Sunny then Chance Showers And Thunderstorms
95 °F
/ 68°F
Wind 5 mph
Tue
Sep 22
Mostly Sunny then Chance Showers And Thunderstorms
92 °F
Wind 0 to 5 mph

This Week in Greenbrier

Wednesday looks like the warmest upcoming period in Greenbrier at 99 degrees F.

Monday Night is the coolest period ahead with temperatures near 68 degrees F.

The strongest winds are forecast for Overnight at about 5 mph S.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Sep 16, 2026 4:20 AM CDT
Coverage
7 days
Time zone
America/Chicago
Forecast office
OHX
Radar station
KOHX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday
Sep 16
99°F
Sunny
0 to 5 mph SSE

Sunny, with a high near 99. Heat index values as high as 108. South southeast wind 0 to 5 mph.

Wednesday Night
Sep 16
73°F
Mostly Clear
0 mph

Mostly clear, with a low around 73. Heat index values as high as 102. South southeast wind around 0 mph.

Thursday
Sep 17
99°F
Sunny
0 mph

Sunny, with a high near 99. Heat index values as high as 107. West wind around 0 mph.

Thursday Night
Sep 17
73°F
Mostly Clear
0 mph

Mostly clear, with a low around 73. North wind around 0 mph.

Friday
Sep 18
99°F
Sunny
0 to 5 mph NNW

Sunny, with a high near 99. North northwest wind 0 to 5 mph.

Friday Night
Sep 18
72°F
Mostly Clear
0 mph

Mostly clear, with a low around 72. North northeast wind around 0 mph.

Saturday
Sep 19
98°F
Sunny
0 mph

Sunny, with a high near 98. West southwest wind around 0 mph.

Saturday Night
Sep 19
72°F
Mostly Clear
0 to 5 mph S

Mostly clear, with a low around 72. South wind 0 to 5 mph.

Sunday
Sep 20
98°F
Mostly Sunny
5 mph SSW

Mostly sunny, with a high near 98.

Sunday Night
Sep 20
71°F
Partly Cloudy
0 to 5 mph S

Partly cloudy, with a low around 71.

Monday
Sep 21
95°F
Mostly Sunny then Chance Showers And Thunderstorms
5 mph SSW

A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Chance of precipitation is 30%.

Monday Night
Sep 21
68°F
Chance Showers And Thunderstorms
0 to 5 mph SSE

A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

Tuesday
Sep 22
92°F
Mostly Sunny then Chance Showers And Thunderstorms
0 to 5 mph ESE

A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Sep 16
Mostly Clear
74°F
5 mph
S
Wednesday
Sep 16
Sunny
99°F
0 to 5 mph
SSE
Wednesday Night
Sep 16
Mostly Clear
73°F
0 mph
Thursday
Sep 17
Sunny
99°F
0 mph
Thursday Night
Sep 17
Mostly Clear
73°F
0 mph
Friday
Sep 18
Sunny
99°F
0 to 5 mph
NNW
Friday Night
Sep 18
Mostly Clear
72°F
0 mph
Saturday
Sep 19
Sunny
98°F
0 mph
Saturday Night
Sep 19
Mostly Clear
72°F
0 to 5 mph
S
Sunday
Sep 20
Mostly Sunny
98°F
5 mph
SSW
Sunday Night
Sep 20
Partly Cloudy
71°F
0 to 5 mph
S
Monday
Sep 21
Mostly Sunny then Chance Showers And Thunderstorms
95°F
5 mph
SSW
Monday Night
Sep 21
Chance Showers And Thunderstorms
68°F
0 to 5 mph
SSE
Tuesday
Sep 22
Mostly Sunny then Chance Showers And Thunderstorms
92°F
0 to 5 mph
ESE
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.