CASTLE SHANNON, PA 15234 Weather Forecast & Current Conditions

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ALLEGHENY CO. ARPT, PA
Current Weather

12:53 AM EDT APR 3, 2026
Broken Clouds
64°F
Feels Like: 63°F
Dewpoint: 55°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: SSE at 10 mph
Pressure: 30.08 inches
Last 72 hours

Local Area Snow Depth

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CASTLE SHANNON, PA 15234
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
OVERNIGHT
Mostly cloudy with isolated showers. Mild. Near steady temperature in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
TODAY
Mostly cloudy in the morning, then becoming partly sunny. Scattered showers. Scattered thunderstorms in the afternoon. Warm with highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.
TONIGHT
Scattered thunderstorms. Numerous showers, mainly in the evening. Mild. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.
SATURDAY
Partly cloudy with scattered showers in the morning, then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Unseasonably warm with highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
SATURDAY NIGHT
Showers. Lows in the upper 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
SUNDAY
Showers, mainly in the morning. Much cooler. Near steady temperature in the lower 50s. Chance of rain near 100 percent.
SUNDAY NIGHT
Mostly cloudy. Lows in the mid 30s.
MONDAY
Partly cloudy in the morning, then becoming partly sunny. Highs in the lower 50s.
MONDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 30s.
TUESDAY
Partly cloudy with a 30 percent chance of snow showers. Cool with highs in the mid 40s.
TUESDAY NIGHT
Mainly clear. Lows in the mid 20s.
WEDNESDAY
Sunny. Highs in the upper 50s.
WEDNESDAY NIGHT
Mainly clear. Lows in the upper 30s.

Visible Weather Satellite
CASTLE SHANNON, PA 15234
Infrared Weather Satellite
CASTLE SHANNON, PA 15234
NEXRAD Weather Radar
CASTLE SHANNON, PA 15234

ALLEGHENY CO. ARPT, PA 3 hourly weather forecast

weather forecast created  6:00 PM CST  4/ 2/2026
Friday
3 APR 2026
CASTLE SHANNON, PA 15234 weather forecast Day 1, 0 hours 1 AM 64° 63° Mostly Cloudy 26%
RAIN
<.01 in
0% Thunder
( 8% severe)
S   12 73% 55°
Low 62° CASTLE SHANNON, PA 15234 weather forecast Day 1, 3 hours 4 AM 63° 62° Mostly Cloudy S   12 75% 55°
High 78° CASTLE SHANNON, PA 15234 weather forecast Day 1, 6 hours 7 AM 64° 63° Mostly Cloudy 22%
RAIN
<.01 in
0% Thunder
( 10% severe)
SSW   12 73% 55°

Mostly Cloudy

Chance of Rain

CASTLE SHANNON, PA 15234 weather forecast Day 1, 9 hours 10 AM 70° 70° Mostly Cloudy SW   15 63% 57°
CASTLE SHANNON, PA 15234 weather forecast Day 1, 12 hours 1 PM 75° 75° Mostly Cloudy 42%
RAIN
1–2 in
0% Thunder
( 34% severe)
SW   15 54% 57°
CASTLE SHANNON, PA 15234 weather forecast Day 1, 15 hours 4 PM 76° 78° Mostly Cloudy SW   13 52% 57°
CASTLE SHANNON, PA 15234 weather forecast Day 1, 18 hours 7 PM 71° 71° Mostly Cloudy 45%
RAIN
***
0% Thunder
( 31% severe)
SW   7 63% 58°
CASTLE SHANNON, PA 15234 weather forecast Day 1, 21 hours 10 PM 67° 67° Mostly Cloudy SW   5 73% 58°
Saturday
4 APR 2026
CASTLE SHANNON, PA 15234 weather forecast Day 2, 0 hours 1 AM 64° 65° Mostly Cloudy 38%
RAIN
1–2 in
0% Thunder
( 16% severe)
S   5 81% 58°
Low 62° CASTLE SHANNON, PA 15234 weather forecast Day 2, 3 hours 4 AM 63° 63° Mostly Cloudy S   6 84% 58°
High 82° CASTLE SHANNON, PA 15234 weather forecast Day 2, 6 hours 7 AM 64° 64° Partly Cloudy 18%
RAIN
<.01 in
0% Thunder
( 4% severe)
S   7 81% 58°

Partly Cloudy

Chance of Rain

CASTLE SHANNON, PA 15234 weather forecast Day 2, 9 hours 10 AM 73° 73° Partly Cloudy SSW   10 62% 59°
CASTLE SHANNON, PA 15234 weather forecast Day 2, 12 hours 1 PM 79° 80° Partly Cloudy 31%
RAIN
<.01 in
0% Thunder
( 16% severe)
SSW   13 45% 56°
CASTLE SHANNON, PA 15234 weather forecast Day 2, 15 hours 4 PM 80° 80° Mostly Cloudy SSW   13 42% 55°
CASTLE SHANNON, PA 15234 weather forecast Day 2, 18 hours 7 PM 75° 75° Mostly Cloudy 58%
RAIN
***
0% Thunder
( 12% severe)
S   9 48% 54°
CASTLE SHANNON, PA 15234 weather forecast Day 2, 21 hours 10 PM 69° 69° Mostly Cloudy SSW   12 59% 54°

ALLEGHENY CO. ARPT, PA extended weather forecast

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Low 59° Low 52° Low 34° Low 33° Low 29°
High 80° High 58° High 51° High 44° High 50°
CASTLE SHANNON, PA 15234 weather forecast Day 3 CASTLE SHANNON, PA 15234 weather forecast Day 4 CASTLE SHANNON, PA 15234 weather forecast Day 5 CASTLE SHANNON, PA 15234 weather forecast Day 6 CASTLE SHANNON, PA 15234 weather forecast Day 7
Overcast
77% Rain
Overcast
92% Rain
Mostly Cloudy
42% Rain/Snow
Overcast
44% Rain/Snow
Clear
6% Rain/Snow
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