WEST MIFFLIN, PA 15123 Weather Forecast & Current Conditions

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ALLEGHENY CO. ARPT, PA
Current Weather

2:53 PM EDT JUN 29, 2026
Broken Clouds
82°F
Feels Like: 86°F
Dewpoint: 70°F
Rel. Hum.: 67%
Visibility: 10 miles
Wind: Calm
Pressure: 30.12 inches
Last 72 hours

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WEST MIFFLIN, PA 15123
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Mostly sunny. Very warm. Near steady temperature in the upper 80s. Southeast winds around 5 mph. Heat index values in the mid 90s.
TONIGHT
Mainly clear. Warm with lows around 70. Southeast winds around 5 mph.
TUESDAY
Partly cloudy. Hot with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 101 in the afternoon.
TUESDAY NIGHT
Mainly clear. Warm with lows in the mid 70s. Southwest winds 5 to 10 mph.
WEDNESDAY
Mostly sunny. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 105.
WEDNESDAY NIGHT
Clear, warm with lows in the mid 70s.
THURSDAY
Sunny, hot with highs in the mid 90s. Heat index values up to 105.
THURSDAY NIGHT
Mainly clear. Warm with lows in the mid 70s.
FRIDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 105.
FRIDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Warm with lows in the mid 70s. Chance of rain 30 percent.
INDEPENDENCE DAY
Mostly sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Hot with highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 100.
SATURDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Warm with lows in the lower 70s. Chance of rain 50 percent.
SUNDAY
Partly cloudy in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Hot with highs around 90. Chance of rain 50 percent. Heat index values in the upper 90s.

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 AM CDT  6/29/2026
Monday
29 JUN 2026
WEST MIFFLIN, PA 15123 weather forecast Day 1, 12 hours 2 PM 86° 90° Partly Cloudy 3%

0% Thunder
( 22% severe)
  CALM 57% 69°
High 88° WEST MIFFLIN, PA 15123 weather forecast Day 1, 15 hours 5 PM 87° 90° Partly Cloudy   CALM 53% 68°
Partly Cloudy



WEST MIFFLIN, PA 15123 weather forecast Day 1, 18 hours 8 PM 85° 90° Partly Cloudy 3%

0% Thunder
( 9% severe)
SE   3 61% 70°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 21 hours 11 PM 77° 79° Partly Cloudy SSE   5 76% 69°
Tuesday
30 JUN 2026
WEST MIFFLIN, PA 15123 weather forecast Day 2, 0 hours 2 AM 72° 72° Clear 2%

0% Thunder
( 7% severe)
S   5 87% 68°
Low 70° WEST MIFFLIN, PA 15123 weather forecast Day 2, 3 hours 5 AM 71° 71° Clear S   5 90% 68°
High 91° WEST MIFFLIN, PA 15123 weather forecast Day 2, 6 hours 8 AM 75° 75° Partly Cloudy 8%

0% Thunder
( 14% severe)
S   6 79% 68°

Partly Cloudy



WEST MIFFLIN, PA 15123 weather forecast Day 2, 9 hours 11 AM 85° 91° Mostly Cloudy SW   7 65% 72°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 12 hours 2 PM 90° 98° Partly Cloudy 3%

0% Thunder
( 25% severe)
SW   9 56% 72°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 15 hours 5 PM 91° 100° Partly Cloudy SW   9 56% 73°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 18 hours 8 PM 89° 97° Partly Cloudy 1%

0% Thunder
( 12% severe)
SW   7 59% 73°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 21 hours 11 PM 82° 87° Partly Cloudy SW   7 74% 73°
Wednesday
1 JUL 2026
WEST MIFFLIN, PA 15123 weather forecast Day 3, 0 hours 2 AM 77° 78° Partly Cloudy 3%

0% Thunder
( 6% severe)
SW   7 87% 73°
Low 75° WEST MIFFLIN, PA 15123 weather forecast Day 3, 3 hours 5 AM 75° 75° Partly Cloudy SW   7 94% 73°
High 96° WEST MIFFLIN, PA 15123 weather forecast Day 3, 6 hours 8 AM 79° 82° Partly Cloudy 1%

0% Thunder
( 11% severe)
SW   7 79% 72°

Clear



WEST MIFFLIN, PA 15123 weather forecast Day 3, 9 hours 11 AM 89° 97° Clear WSW   7 59% 73°
WEST MIFFLIN, PA 15123 weather forecast Day 3, 15 hours 2 PM 95° 102° Clear 0%

0% Thunder
( 23% severe)
WSW   9 45% 70°
WEST MIFFLIN, PA 15123 weather forecast Day 3, 18 hours 5 PM 96° 102° Clear W   9 42% 69°
WEST MIFFLIN, PA 15123 weather forecast Day 3, 21 hours 8 PM 91° 97° Clear     W   6 50% 70°

ALLEGHENY CO. ARPT, PA extended weather forecast

Thursday
2 JUL 2026
Friday
3 JUL 2026
Saturday
4 JUL 2026
Sunday
5 JUL 2026
Monday
6 JUL 2026
Low 75° Low 73° Low 73° Low 69° Low 67°
High 96° High 93° High 92° High 86° High 83°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
16% Rain
Partly Cloudy
28% Rain
Partly Cloudy
53% Rain
Overcast
62% Rain
Mostly Cloudy
47% Rain
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