WEST MIFFLIN, PA 15123 Weather Forecast & Current Conditions

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ALLEGHENY CO. ARPT, PA
Current Weather

12:53 AM EDT APR 11, 2026
Overcast
52°F
Feels Like: 48°F
Dewpoint: 48°F
Rel. Hum.: 86%
Visibility: 10 miles
Wind: NNW at 12 mph, gusts to 22
Pressure: 30.25 inches
Last 72 hours

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WEST MIFFLIN, PA 15123
Weather Forecast

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REST OF TONIGHT
Considerable cloudiness with a 50 percent chance of showers. Lows in the lower 40s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
SATURDAY
Partly cloudy in the morning, then clearing. Highs in the lower 60s. North winds around 5 mph.
SATURDAY NIGHT
Mainly clear. Lows in the lower 40s. North winds around 5 mph, becoming east around 5 mph after midnight.
SUNDAY
Partly sunny. Much warmer with highs in the upper 70s. Southeast winds 5 to 10 mph, becoming south with gusts up to 20 mph in the afternoon.
SUNDAY NIGHT
Mostly cloudy. Much warmer with lows in the lower 60s. South winds 5 to 10 mph.
MONDAY
Considerable cloudiness with a chance of showers. Warm with highs in the mid 70s. Chance of rain 50 percent.
MONDAY NIGHT
Mostly cloudy with a chance of showers. Mild. Lows in the lower 60s. Chance of rain 50 percent.
TUESDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. Unseasonably warm with highs around 80. Chance of rain 40 percent.
TUESDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms after midnight. Mild. Lows in the mid 60s. Chance of rain 30 percent.
WEDNESDAY
A chance of thunderstorms in the morning. Partly sunny with a chance of showers. Unseasonably warm with highs in the lower 80s. Chance of rain 50 percent.
WEDNESDAY NIGHT
Mostly cloudy. A chance of showers in the evening. Mild. Lows in the lower 60s. Chance of rain 50 percent.
THURSDAY
Partly sunny. Warm with highs in the upper 70s.
THURSDAY NIGHT
Mostly cloudy. Mild. Lows in the upper 50s.

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  4/10/2026
Saturday
11 APR 2026
WEST MIFFLIN, PA 15123 weather forecast Day 1, 0 hours 2 AM 50° 46° Mostly Cloudy 3%

0% Thunder
( 1% severe)
NNW   9 77% 43°
Low 43° WEST MIFFLIN, PA 15123 weather forecast Day 1, 3 hours 5 AM 45° 41° Mostly Cloudy NNW   8 76% 38°
High 60° WEST MIFFLIN, PA 15123 weather forecast Day 1, 6 hours 8 AM 44° 40° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   7 73% 36°

Decreasing Clouds



WEST MIFFLIN, PA 15123 weather forecast Day 1, 9 hours 11 AM 48° 45° Partly Cloudy N   7 56% 33°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 12 hours 2 PM 55° 53° Clear 0%

0% Thunder
( 0% severe)
NNW   7 40% 31°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 15 hours 5 PM 59° 58° Clear NNW   6 32% 29°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 18 hours 8 PM 54° 53° Clear 1%

0% Thunder
( 0% severe)
N   5 38% 29°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 21 hours 11 PM 48° 46° Partly Cloudy NNE   5 49% 30°
Sunday
12 APR 2026
WEST MIFFLIN, PA 15123 weather forecast Day 2, 0 hours 2 AM 44° 41° Partly Cloudy 3%

0% Thunder
( 0% severe)
E   5 60% 31°
Low 41° WEST MIFFLIN, PA 15123 weather forecast Day 2, 3 hours 5 AM 42° 39° Partly Cloudy E   5 67% 32°
High 77° WEST MIFFLIN, PA 15123 weather forecast Day 2, 6 hours 8 AM 46° 43° Partly Cloudy 3%

0% Thunder
( 1% severe)
SE   6 60% 33°

Mostly Cloudy



WEST MIFFLIN, PA 15123 weather forecast Day 2, 9 hours 11 AM 61° 60° Partly Cloudy S   8 44% 39°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 12 hours 2 PM 73° 73° Mostly Cloudy 3%

0% Thunder
( 7% severe)
SSW   10 35% 44°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 15 hours 5 PM 77° 78° Mostly Cloudy SSW   10 33% 46°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 18 hours 8 PM 73° 73° Mostly Cloudy 1%

0% Thunder
( 3% severe)
S   8 41% 48°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 21 hours 11 PM 67° 67° Mostly Cloudy S   9 50% 48°

ALLEGHENY CO. ARPT, PA extended weather forecast

BAD DAY
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Low 43° Low 59° Low 60° Low 62° Low 60°
High 75° High 74° High 75° High 81° High 74°
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
16% Rain
Overcast
65% Rain
Overcast
56% Rain
Overcast
63% Rain
Overcast
60% Rain
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