WEST MIFFLIN, PA 15123 Weather Forecast & Current Conditions
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  15123 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

ALLEGHENY CO. ARPT, PA
Current Weather
9:53 AM EDT MAR 31, 2026
Overcast
66°F
Feels Like: 66°F
Dewpoint: 55°F
Rel. Hum.: 68%
Visibility: 10 miles
Wind: SW at 14 mph, gusts to 23
Pressure: 30.03 inches
Last 72 hours

Local Area Snow Depth

Pennsylvania Current Weather

Pennsylvania MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  15123 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

WEST MIFFLIN, PA 15123
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy this morning, then becoming partly sunny. A slight chance of thunderstorms this morning. A slight chance of showers. Unseasonably warm with highs in the mid 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.
TONIGHT
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Mild. Lows around 60. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
WEDNESDAY
Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Unseasonably warm with highs around 70. Southwest winds around 10 mph, becoming west in the afternoon. Chance of rain 90 percent.
WEDNESDAY NIGHT
Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Mild. Lows in the mid 50s. North winds 5 to 10 mph, becoming southeast after midnight. Chance of rain 90 percent.
THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Unseasonably warm with highs in the upper 70s. South winds 5 to 10 mph. Chance of rain 50 percent.
THURSDAY NIGHT
Mostly cloudy with a chance of showers. Mild. Lows in the lower 60s. Chance of rain 50 percent.
FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. Unseasonably warm with highs in the upper 70s. Chance of rain 50 percent.
FRIDAY NIGHT
Mostly cloudy with a chance of showers. Mild. Lows in the upper 50s. Chance of rain 50 percent.
SATURDAY
Partly sunny with a 50 percent chance of showers. Unseasonably warm with highs in the lower 80s.
SATURDAY NIGHT
Mostly cloudy with a chance of showers. Mild. Lows in the lower 50s. Chance of rain 50 percent.
SUNDAY
Showers likely. Much cooler with highs in the mid 60s. Chance of rain 60 percent.
SUNDAY NIGHT
Mostly cloudy. Showers likely, mainly in the evening. Much colder with lows in the upper 30s. Chance of rain 60 percent.
MONDAY
Partly sunny. Highs in the lower 50s.

  15123 WEATHER SATELLITE LOOPS
Visible Weather Satellite
WEST MIFFLIN, PA 15123
Infrared Weather Satellite
WEST MIFFLIN, PA 15123
  15123 WEATHER RADAR LOOP
NEXRAD Weather Radar
WEST MIFFLIN, PA 15123
 MOS COMPUTER WEATHER FORECAST

ALLEGHENY CO. ARPT, PA 3 hourly weather forecast
weather forecast created  6:00 PM CST  3/30/2026
Tuesday
31 MAR 2026		 WEST MIFFLIN, PA 15123 weather forecast Day 1, 0 hours 1 AM 63° 62° Partly Cloudy 25%
RAIN
<.01 in		 0% Thunder
( 12% severe)		 SW   13 65% 51°
Low 61° WEST MIFFLIN, PA 15123 weather forecast Day 1, 3 hours 4 AM 62° 60° Mostly Cloudy SW   14 70% 52°
High 76° WEST MIFFLIN, PA 15123 weather forecast Day 1, 6 hours 7 AM 62° 60° Mostly Cloudy 18%
RAIN
<.01 in		 0% Thunder
( 13% severe)		 SW   14 72% 53°

Mostly Cloudy

Chance of Rain

 WEST MIFFLIN, PA 15123 weather forecast Day 1, 9 hours 10 AM 67° 67° Mostly Cloudy SW   15 63% 54°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 12 hours 1 PM 73° 73° Mostly Cloudy 23%
RAIN
.5–1 in		 0% Thunder
( 25% severe)		 SW   16 51% 54°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 15 hours 4 PM 75° 75° Mostly Cloudy SW   16 48% 54°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 18 hours 7 PM 71° 71° Mostly Cloudy 48%
RAIN
***		 0% Thunder
( 39% severe)		 SW   12 55% 54°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 21 hours 10 PM 68° 68° Mostly Cloudy SW   12 63% 55°
Wednesday
1 APR 2026		 WEST MIFFLIN, PA 15123 weather forecast Day 2, 0 hours 1 AM 65° 65° Mostly Cloudy 67%
RAIN
***		 0% Thunder
( 24% severe)		 SW   13 73% 56°
Low 61° WEST MIFFLIN, PA 15123 weather forecast Day 2, 3 hours 4 AM 64° 63° Mostly Cloudy SW   12 78% 57°
High 70° WEST MIFFLIN, PA 15123 weather forecast Day 2, 6 hours 7 AM 63° 62° Mostly Cloudy 65%
RAIN
***		 0% Thunder
( 18% severe)		 SW   10 81% 57°

Mostly Cloudy

Rain Likely

 WEST MIFFLIN, PA 15123 weather forecast Day 2, 9 hours 10 AM 65° 65° Mostly Cloudy WSW   10 75% 57°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 12 hours 1 PM 67° 67° Mostly Cloudy 69%
RAIN
***		 0% Thunder
( 32% severe)		 W   10 65% 55°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 15 hours 4 PM 66° 66° Mostly Cloudy W   9 65% 54°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 18 hours 7 PM 63° 63° Mostly Cloudy 41%
RAIN
>2 in		 0% Thunder
( 15% severe)		 WNW   7 70% 53°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 21 hours 10 PM 60° 60° Mostly Cloudy NE   6 75% 52°

ALLEGHENY CO. ARPT, PA extended weather forecast
Thursday
2 APR 2026		 Friday
3 APR 2026		 Saturday
4 APR 2026		 Sunday
5 APR 2026		 Monday
6 APR 2026
Low 58° Low 61° Low 59° Low 51° Low 36°
High 85° High 82° High 83° High 53° High 54°
WEST MIFFLIN, PA 15123 weather forecast Day 3 WEST MIFFLIN, PA 15123 weather forecast Day 4 WEST MIFFLIN, PA 15123 weather forecast Day 5 WEST MIFFLIN, PA 15123 weather forecast Day 6 WEST MIFFLIN, PA 15123 weather forecast Day 7
Mostly Cloudy
79% Rain		 Overcast
56% Rain		 Mostly Cloudy
57% Rain		 Overcast
90% Rain		 Mostly Cloudy
30% Rain
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