Greencastle, KY Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Greencastle, KY in one place.
Sunny, with a high near 97. Heat index values as high as 105. Southwest wind 2 to 6 mph.
Local Weather Overview
This forecast page for Greencastle, KY 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 6:45 PM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Greencastle, KY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 6:45 PM CDT
- Forecast office
- LMK
- Source
- NOAA / NWS
Daily Outlook
This Week in Greencastle
Wednesday looks like the warmest upcoming period in Greencastle at 97 degrees F.
Monday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Sunday at about 7 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 6:45 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LMK
- Radar station
- KHPX
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 73. Heat index values as high as 101. South wind around 2 mph.
Sunny, with a high near 97. West wind around 3 mph.
Mostly clear, with a low around 72.
Sunny, with a high near 95.
Mostly clear, with a low around 70.
Sunny, with a high near 95.
Mostly clear, with a low around 72.
Mostly sunny, with a high near 95.
Partly cloudy, with a low around 70.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Sunny
|
97°F |
2 to 6 mph
SW
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
73°F |
2 mph
S
|
|
Thursday
Sep 17
|
Sunny
|
97°F |
3 mph
W
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
72°F |
2 mph
SW
|
|
Friday
Sep 18
|
Sunny
|
95°F |
0 to 3 mph
N
|
|
Friday Night
Sep 18
|
Mostly Clear
|
70°F |
3 mph
E
|
|
Saturday
Sep 19
|
Sunny
|
95°F |
2 mph
SW
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
72°F |
5 mph
S
|
|
Sunday
Sep 20
|
Mostly Sunny
|
95°F |
7 mph
SW
|
|
Sunday Night
Sep 20
|
Partly Cloudy
|
70°F |
3 mph
SW
|
|
Monday
Sep 21
|
Mostly Sunny then Chance Showers And Thunderstorms
|
91°F |
6 mph
SW
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
66°F |
5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Greencastle.