WEST MIFFLIN, PA 15123 Weather Forecast & Current Conditions

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ALLEGHENY CO. ARPT, PA
Current Weather

1:53 AM EDT JUN 24, 2026
Clear
61°F
Feels Like: 60°F
Dewpoint: 52°F
Rel. Hum.: 72%
Visibility: 10 miles
Wind: NW at 7 mph
Pressure: 30.10 inches
Last 72 hours

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WEST MIFFLIN, PA 15123
Weather Forecast

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OVERNIGHT
Clear. Near steady temperature in the mid 50s. Northwest winds around 5 mph.
TODAY
Mostly sunny. Highs in the upper 70s. Light and variable winds, becoming west around 5 mph in the afternoon.
TONIGHT
Partly cloudy. Lows in the upper 50s. South winds around 5 mph.
THURSDAY
Partly cloudy in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 10 to 15 mph. Chance of rain 50 percent.
THURSDAY NIGHT
A chance of thunderstorms in the evening. Showers likely. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.
FRIDAY
Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.
FRIDAY NIGHT
Showers with a chance of thunderstorms in the evening, then showers after midnight. Lows in the lower 60s. Chance of rain 80 percent.
SATURDAY
Mostly cloudy with showers in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 80 percent.
SATURDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 50 percent.
SUNDAY
Mostly sunny. Highs in the mid 80s.
SUNDAY NIGHT
Mainly clear. Lows in the mid 60s.
MONDAY
Partly cloudy. Very warm with highs in the upper 80s.
MONDAY NIGHT
Mainly clear. Warm with lows around 70.

Visible Weather Satellite
WEST MIFFLIN, PA 15123
Infrared Weather Satellite
WEST MIFFLIN, PA 15123
NEXRAD Weather Radar
WEST MIFFLIN, PA 15123

ALLEGHENY CO. ARPT, PA 3 hourly weather forecast

weather forecast created  7:00 PM CDT  6/23/2026
Wednesday
24 JUN 2026
WEST MIFFLIN, PA 15123 weather forecast Day 1, 0 hours 2 AM 58° 58° Clear 0%

0% Thunder
( 1% severe)
NW   5 77% 51°
Low 54° WEST MIFFLIN, PA 15123 weather forecast Day 1, 3 hours 5 AM 55° 55° Clear WNW   3 86% 51°
High 77° WEST MIFFLIN, PA 15123 weather forecast Day 1, 6 hours 8 AM 59° 60° Clear 0%

0% Thunder
( 1% severe)
  CALM 80% 53°

Clear



WEST MIFFLIN, PA 15123 weather forecast Day 1, 9 hours 11 AM 71° 71° Clear   CALM 53% 53°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 12 hours 2 PM 76° 78° Partly Cloudy 1%

0% Thunder
( 5% severe)
  CALM 42% 51°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 15 hours 5 PM 77° 78° Clear SW   3 39% 50°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 18 hours 8 PM 74° 74° Partly Cloudy 1%

0% Thunder
( 4% severe)
SW   3 48% 53°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 21 hours 11 PM 66° 66° Partly Cloudy SSW   5 61% 52°
Thursday
25 JUN 2026
WEST MIFFLIN, PA 15123 weather forecast Day 2, 0 hours 2 AM 61° 61° Partly Cloudy 3%

0% Thunder
( 4% severe)
S   6 72% 52°
Low 58° WEST MIFFLIN, PA 15123 weather forecast Day 2, 3 hours 5 AM 59° 58° Mostly Cloudy S   6 78% 52°
High 81° WEST MIFFLIN, PA 15123 weather forecast Day 2, 6 hours 8 AM 64° 64° Mostly Cloudy 5%

0% Thunder
( 9% severe)
S   7 70% 54°

Mostly Cloudy

Chance of Rain

WEST MIFFLIN, PA 15123 weather forecast Day 2, 9 hours 11 AM 75° 75° Partly Cloudy SW   9 54% 57°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 12 hours 2 PM 80° 81° Mostly Cloudy 46%
RAIN
***
0% Thunder
( 46% severe)
SW   12 47% 58°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 15 hours 5 PM 79° 80° Mostly Cloudy SW   12 52% 60°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 18 hours 8 PM 76° 78° Partly Cloudy 40%
RAIN
.01–.1 in
0% Thunder
( 32% severe)
WSW   8 60% 61°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 21 hours 11 PM 70° 70° Mostly Cloudy SSW   5 76% 62°

ALLEGHENY CO. ARPT, PA extended weather forecast

Friday
26 JUN 2026
Saturday
27 JUN 2026
Sunday
28 JUN 2026
Monday
29 JUN 2026
Tuesday
30 JUN 2026
Low 64° Low 64° Low 65° Low 66° Low 69°
High 73° High 81° High 85° High 90° High 90°
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
Overcast
100% Rain
Overcast
73% Rain
Partly Cloudy
25% Rain
Clear
12% Rain
Partly Cloudy
28% Rain
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