WEST MIFFLIN, PA 15123 Weather Forecast & Current Conditions

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ALLEGHENY CO. ARPT, PA
Current Weather

2:53 AM EDT AUG 23, 2026
Overcast
63°F
Feels Like: 64°F
Dewpoint: 63°F
Rel. Hum.: 100%
Visibility: 7 miles
Wind: Variable at 3 mph
Pressure: 29.85 inches
Last 72 hours

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WEST MIFFLIN, PA 15123
Weather Forecast

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Snow Depth pages
OVERNIGHT
Mostly cloudy. Near steady temperature in the lower 60s. West winds 5 to 10 mph with gusts up to 20 mph.
TODAY
Partly sunny with a slight chance of showers in the morning, then partly cloudy in the afternoon. Highs in the mid 70s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
TONIGHT
Mainly clear. A slight chance of showers after midnight. Lows in the mid 50s. West winds 5 to 10 mph. Chance of rain 20 percent.
MONDAY
Mostly sunny. Highs in the lower 70s. West winds 10 to 15 mph with gusts up to 25 mph.
MONDAY NIGHT
Mainly clear. Lows in the mid 50s. Southwest winds 5 to 10 mph.
TUESDAY
Mostly sunny. Highs in the upper 70s.
TUESDAY NIGHT
Mainly clear. Lows in the mid 50s.
WEDNESDAY
Partly cloudy. Highs around 80.
WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s.
THURSDAY
Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.
THURSDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Lows in the mid 60s. Chance of rain 40 percent.
FRIDAY
Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.
FRIDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 30 percent.

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  8/22/2026
Sunday
23 AUG 2026
WEST MIFFLIN, PA 15123 weather forecast Day 1, 0 hours 2 AM 65° 65° Mostly Cloudy 7%

0% Thunder
( 11% severe)
WSW   9 93% 63°
Low 62° WEST MIFFLIN, PA 15123 weather forecast Day 1, 3 hours 5 AM 64° 64° Mostly Cloudy W   9 93% 62°
High 73° WEST MIFFLIN, PA 15123 weather forecast Day 1, 6 hours 8 AM 63° 62° Mostly Cloudy 7%

0% Thunder
( 12% severe)
W   9 93% 61°

Mostly Cloudy



WEST MIFFLIN, PA 15123 weather forecast Day 1, 9 hours 11 AM 66° 66° Mostly Cloudy W   12 78% 59°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 12 hours 2 PM 69° 69° Partly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 15% severe)
W   13 63% 56°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 15 hours 5 PM 70° 70° Partly Cloudy W   12 59% 55°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 18 hours 8 PM 66° 66° Partly Cloudy 18%
RAIN
<.01 in
0% Thunder
( 11% severe)
W   8 65% 54°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 21 hours 11 PM 62° 61° Partly Cloudy WSW   8 78% 55°
Monday
24 AUG 2026
WEST MIFFLIN, PA 15123 weather forecast Day 2, 0 hours 2 AM 60° 59° Partly Cloudy 5%

0% Thunder
( 3% severe)
WSW   8 90% 57°
Low 57° WEST MIFFLIN, PA 15123 weather forecast Day 2, 3 hours 5 AM 59° 58° Partly Cloudy WSW   8 93% 57°
High 71° WEST MIFFLIN, PA 15123 weather forecast Day 2, 6 hours 8 AM 59° 58° Partly Cloudy 0%

0% Thunder
( 2% severe)
W   8 90% 56°

Partly Cloudy



WEST MIFFLIN, PA 15123 weather forecast Day 2, 9 hours 11 AM 64° 63° Partly Cloudy W   10 70% 54°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 12 hours 2 PM 67° 67° Clear 1%

0% Thunder
( 5% severe)
W   13 59% 52°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 15 hours 5 PM 69° 69° Partly Cloudy W   12 57% 53°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 18 hours 8 PM 66° 66° Partly Cloudy 0%

0% Thunder
( 2% severe)
W   7 61% 52°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 21 hours 11 PM 61° 61° Clear WSW   6 75% 53°

ALLEGHENY CO. ARPT, PA extended weather forecast

Tuesday
25 AUG 2026
Wednesday
26 AUG 2026
Thursday
27 AUG 2026
Friday
28 AUG 2026
Saturday
29 AUG 2026
Low 56° Low 58° Low 61° Low 64° Low 59°
High 77° High 81° High 83° High 78° High 80°
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
Partly Cloudy
25% Rain
Partly Cloudy
15% Rain
Partly Cloudy
35% Rain
Overcast
59% Rain
Partly Cloudy
29% Rain
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