Greencastle, PA Weather Forecast
Local 7-day forecast
Rain Showers Likely then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Greencastle, PA in one place.
Rain showers likely and patchy fog before 2pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 78. East wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Greencastle, PA 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: May 24, 2026 1:47 PM EDT.
The active forecast window currently covers May 26 to May 30, 2026 for Greencastle, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 1:47 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Greencastle
Wednesday looks like the warmest upcoming period in Greencastle at 82 degrees F.
Friday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Thursday at about 2 to 7 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 1:47 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KLWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 8pm, then areas of fog between 11pm and 2am, then areas of fog and a chance of rain showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Areas of fog and a chance of rain showers before 8am, then a chance of rain showers and patchy fog between 8am and 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
A slight chance of rain showers after 8am. Partly sunny, with a high near 80.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 56.
Sunny, with a high near 75.
Partly cloudy, with a low around 53.
Mostly sunny, with a high near 74.
Partly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Rain Showers Likely then Slight Chance Showers And Thunderstorms
|
78°F |
3 mph
E
|
|
Tuesday Night
May 26
|
Slight Chance Rain Showers then Areas Of Fog
|
62°F |
2 mph
S
|
|
Wednesday
May 27
|
Areas Of Fog then Chance Showers And Thunderstorms
|
82°F |
0 to 3 mph
SW
|
|
Wednesday Night
May 27
|
Chance Showers And Thunderstorms
|
62°F |
2 mph
W
|
|
Thursday
May 28
|
Slight Chance Rain Showers
|
80°F |
2 to 7 mph
N
|
|
Thursday Night
May 28
|
Slight Chance Rain Showers then Partly Cloudy
|
56°F |
2 to 6 mph
N
|
|
Friday
May 29
|
Sunny
|
75°F |
7 mph
NW
|
|
Friday Night
May 29
|
Partly Cloudy
|
53°F |
6 mph
N
|
|
Saturday
May 30
|
Mostly Sunny
|
74°F |
7 mph
N
|
|
Saturday Night
May 30
|
Partly Cloudy
|
53°F |
5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Greencastle.
