Castle Shannon, PA Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Castle Shannon, PA in one place.
A chance of rain showers before 2pm. Mostly sunny, with a high near 76. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Castle Shannon, 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: Apr 15, 2026 7:52 AM EDT.
The active forecast window currently covers Apr 17 to Apr 21, 2026 for Castle Shannon, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 7:52 AM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Castle Shannon
Saturday looks like the warmest upcoming period in Castle Shannon at 83 degrees F.
Sunday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Sunday at about 12 to 18 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 7:52 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- PBZ
- Radar station
- KPBZ
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 57.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
A chance of rain showers. Partly sunny, with a high near 59. Chance of precipitation is 50%.
A chance of rain showers before 2am. Partly cloudy, with a low around 34. Chance of precipitation is 30%.
Mostly sunny, with a high near 52.
Mostly clear, with a low around 34.
Mostly sunny, with a high near 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Chance Rain Showers
|
76°F |
10 mph
W
|
|
Friday Night
Apr 17
|
Partly Cloudy
|
57°F |
3 to 8 mph
E
|
|
Saturday
Apr 18
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
83°F |
6 to 15 mph
S
|
|
Saturday Night
Apr 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
46°F |
13 mph
SW
|
|
Sunday
Apr 19
|
Chance Rain Showers
|
59°F |
12 to 18 mph
W
|
|
Sunday Night
Apr 19
|
Chance Rain Showers
|
34°F |
10 to 16 mph
W
|
|
Monday
Apr 20
|
Mostly Sunny
|
52°F |
12 to 17 mph
W
|
|
Monday Night
Apr 20
|
Mostly Clear
|
34°F |
5 to 13 mph
W
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
69°F |
5 to 12 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Castle Shannon.
