WEST MIFFLIN, PA 15123 Weather Forecast & Current Conditions

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ALLEGHENY CO. ARPT, PA
Current Weather

6:53 PM EDT MAR 13, 2026
Overcast
55°F
Feels Like: 48°F
Dewpoint: 19°F
Rel. Hum.: 23%
Visibility: 10 miles
Wind: W at 35 mph, gusts to 61
Pressure: 29.58 inches
Last 72 hours

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WEST MIFFLIN, PA 15123
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mainly clear. Windy with lows in the lower 30s. West winds 20 to 30 mph with gusts up to 45 mph, diminishing to 15 to 20 mph with gusts up to 35 mph after midnight.
SATURDAY
Partly sunny in the morning, then clearing. Highs in the upper 40s. West winds 10 to 15 mph. Gusts up to 30 mph in the morning.
SATURDAY NIGHT
Considerable cloudiness. Lows in the upper 30s. Northeast winds 5 to 10 mph.
SUNDAY
Mostly cloudy. Much warmer with highs in the mid 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
SUNDAY NIGHT
Mostly cloudy. A chance of rain after midnight. Mild. Lows around 50. Temperatures rising into the upper 50s after midnight. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent.
MONDAY
Rain. Snow in the afternoon. Little or no snow accumulation. Warm with highs in the upper 60s. Temperatures falling into the upper 40s in the afternoon. Chance of precipitation 90 percent.
MONDAY NIGHT
Rain in the evening. Mostly cloudy with a chance of snow. Little or no snow accumulation. Much colder with lows in the lower 20s. Chance of precipitation 90 percent.
TUESDAY
Considerable cloudiness. Much colder with highs in the upper 20s.
TUESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Very cold with lows around 20.
WEDNESDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs around 40.
WEDNESDAY NIGHT
Considerable cloudiness. Lows in the lower 30s.
THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 50s.
THURSDAY NIGHT
Mostly cloudy. Lows in the mid 30s.

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  6:00 AM CST  3/13/2026
Friday
13 MAR 2026
WEST MIFFLIN, PA 15123 weather forecast Day 1, 12 hours 1 PM 48° 41° Mostly Cloudy 15%
RAIN
<.01 in
0% Thunder
( 8% severe)
SSW   21 36% 23°
High 54° WEST MIFFLIN, PA 15123 weather forecast Day 1, 15 hours 4 PM 53° 47° Mostly Cloudy WSW   21 36% 27°
Decreasing Clouds




Breezy
WEST MIFFLIN, PA 15123 weather forecast Day 1, 18 hours 7 PM 49° 43° Partly Cloudy 3%

0% Thunder
( 1% severe)
W   18 38% 25°
WEST MIFFLIN, PA 15123 weather forecast Day 1, 21 hours 10 PM 44° 36° Clear W   17 40% 22°
Saturday
14 MAR 2026
WEST MIFFLIN, PA 15123 weather forecast Day 2, 0 hours 1 AM 40° 31° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   16 47% 22°
Low 33° WEST MIFFLIN, PA 15123 weather forecast Day 2, 3 hours 4 AM 36° 27° Partly Cloudy W   14 53% 21°
High 47° WEST MIFFLIN, PA 15123 weather forecast Day 2, 6 hours 7 AM 33° 24° Mostly Cloudy 0%

0% Thunder
( 0% severe)
W   12 57% 20°

Partly Cloudy



WEST MIFFLIN, PA 15123 weather forecast Day 2, 9 hours 10 AM 37° 30° Partly Cloudy WNW   10 48% 20°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 12 hours 1 PM 43° 38° Clear 3%

0% Thunder
( 0% severe)
WNW   9 35% 18°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 15 hours 4 PM 46° 42° Mostly Cloudy WNW   7 28% 16°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 18 hours 7 PM 43° 41° Mostly Cloudy 6%

0% Thunder
( 1% severe)
NNE   3 36% 19°
WEST MIFFLIN, PA 15123 weather forecast Day 2, 21 hours 10 PM 40° 35° Mostly Cloudy E   7 45% 21°
Sunday
15 MAR 2026
WEST MIFFLIN, PA 15123 weather forecast Day 3, 0 hours 1 AM 38° 31° Mostly Cloudy 9%

0% Thunder
( 1% severe)
E   9 53% 23°
Low 37° WEST MIFFLIN, PA 15123 weather forecast Day 3, 3 hours 4 AM 39° 32° Mostly Cloudy ESE   10 54% 24°
High 65° WEST MIFFLIN, PA 15123 weather forecast Day 3, 6 hours 7 AM 41° 34° Mostly Cloudy 1%

0% Thunder
( 0% severe)
SE   12 57% 27°

Mostly Cloudy



WEST MIFFLIN, PA 15123 weather forecast Day 3, 9 hours 10 AM 51° 46° Mostly Cloudy SSE   13 48% 32°
WEST MIFFLIN, PA 15123 weather forecast Day 3, 15 hours 1 PM 62° 60° Mostly Cloudy 1%

0% Thunder
( 0% severe)
SSE   16 39% 37°
WEST MIFFLIN, PA 15123 weather forecast Day 3, 18 hours 4 PM 64° 62° Mostly Cloudy SSE   17 38% 38°
WEST MIFFLIN, PA 15123 weather forecast Day 3, 21 hours 7 PM 60° 57° Mostly Cloudy     SSE   16 46% 39°

ALLEGHENY CO. ARPT, PA extended weather forecast

Monday
16 MAR 2026
Tuesday
17 MAR 2026
Wednesday
18 MAR 2026
Thursday
19 MAR 2026
Friday
20 MAR 2026
Low 51° Low 22° Low 18° Low 32° Low 34°
High 66° High 29° High 39° High 50° High 47°
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
Overcast
100% Rain
Overcast
80% Snow
Overcast
32% Snow
Overcast
56% Rain/Snow
Overcast
36% Rain
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