Mount Gretna, PA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mount Gretna, PA in one place.
Mostly sunny, with a high near 95.
Local Weather Overview
This forecast page for Mount Gretna, 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: Jul 14, 2026 2:57 AM EDT.
The active forecast window currently covers Jul 16 to Jul 20, 2026 for Mount Gretna, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 2:57 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Mount Gretna
Thursday looks like the warmest upcoming period in Mount Gretna at 95 degrees F.
Sunday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Thursday at about 2 to 12 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 2:57 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KCCX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 70.
Sunny, with a high near 93.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 69.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Mostly Sunny
|
95°F |
2 to 12 mph
NW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
70°F |
5 to 12 mph
NW
|
|
Friday
Jul 17
|
Sunny
|
93°F |
3 to 10 mph
NW
|
|
Friday Night
Jul 17
|
Partly Cloudy then Slight Chance Rain Showers
|
69°F |
5 to 9 mph
N
|
|
Saturday
Jul 18
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
92°F |
5 to 10 mph
W
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
69°F |
7 to 10 mph
SW
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
86°F |
10 mph
NW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
66°F |
6 to 9 mph
N
|
|
Monday
Jul 20
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
83°F |
6 to 9 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mount Gretna.