Greenbrier, IN Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Greenbrier, IN in one place.
Mostly sunny. High near 98, with temperatures falling to around 96 in the afternoon. Heat index values as high as 105. Southwest wind around 6 mph.
Local Weather Overview
This forecast page for Greenbrier, IN 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 15, 2026 5:42 PM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Greenbrier, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 5:42 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Greenbrier
Wednesday looks like the warmest upcoming period in Greenbrier at 98 degrees F.
Monday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Sunday at about 5 to 9 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 5:42 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KVWX
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 75. South wind around 3 mph.
Sunny, with a high near 98. West southwest wind 2 to 6 mph.
Mostly clear, with a low around 73. Northwest wind around 3 mph.
Sunny, with a high near 95. East northeast wind around 3 mph.
Mostly clear, with a low around 72. Southeast wind around 5 mph.
Sunny, with a high near 96. South southwest wind around 7 mph.
Partly cloudy, with a low around 73. South southwest wind around 6 mph.
Mostly sunny, with a high near 94. Southwest wind 5 to 9 mph.
A slight chance of rain showers between 7pm and 1am. Partly cloudy, with a low around 70. South southeast wind 5 to 8 mph.
A slight chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. West southwest wind 5 to 8 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. North northwest wind around 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Mostly Sunny
|
98°F |
6 mph
SW
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
75°F |
3 mph
S
|
|
Thursday
Sep 17
|
Sunny
|
98°F |
2 to 6 mph
WSW
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
73°F |
3 mph
NW
|
|
Friday
Sep 18
|
Sunny
|
95°F |
3 mph
ENE
|
|
Friday Night
Sep 18
|
Mostly Clear
|
72°F |
5 mph
SE
|
|
Saturday
Sep 19
|
Sunny
|
96°F |
7 mph
SSW
|
|
Saturday Night
Sep 19
|
Partly Cloudy
|
73°F |
6 mph
SSW
|
|
Sunday
Sep 20
|
Mostly Sunny
|
94°F |
5 to 9 mph
SW
|
|
Sunday Night
Sep 20
|
Slight Chance Rain Showers
|
70°F |
5 to 8 mph
SSE
|
|
Monday
Sep 21
|
Slight Chance Showers And Thunderstorms
|
87°F |
5 to 8 mph
WSW
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
66°F |
7 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Greenbrier.