WEST MIFFLIN, PA 15123 Weather Forecast & Current Conditions

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15123 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ALLEGHENY CO. ARPT, PA Current Weather
2:53 AM EDT SEP 22, 2026
Overcast 55°F
Feels Like:	53°F
Dewpoint:	55°F
Rel. Hum.:	100%
Visibility:	10 miles
Wind:	ENE at 7 mph
Pressure:	30.07 inches
Last 72 hours
Local Area Snow Depth
Pennsylvania Current Weather
Pennsylvania MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

15123 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	WEST MIFFLIN, PA 15123 Weather Forecast	Snowfall Forecast pages Snow Depth pages

OVERNIGHT
Cloudy with a 50 percent chance of showers. Patchy fog. Near steady temperature in the mid 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

TODAY
Considerable cloudiness with a 50 percent chance of showers. Patchy fog. Highs in the lower 60s. East winds 10 to 15 mph with gusts up to 30 mph.

TONIGHT
Considerable cloudiness with a 50 percent chance of showers. Patchy fog. Lows in the lower 50s. East winds 10 to 15 mph with gusts up to 30 mph.

WEDNESDAY
Mostly cloudy. A chance of showers, mainly in the morning. Highs in the lower 60s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

WEDNESDAY NIGHT
Mostly cloudy. Lows around 50. East winds 10 to 15 mph with gusts up to 25 mph.

THURSDAY
Partly sunny in the morning, then becoming partly cloudy. Highs in the mid 60s.

THURSDAY NIGHT
Mainly clear. Lows in the mid 40s.

FRIDAY
Mostly sunny. Highs in the upper 60s.

FRIDAY NIGHT
Mainly clear. Lows in the upper 40s.

SATURDAY
Mostly sunny. Highs in the upper 60s.

SATURDAY NIGHT
Mainly clear. Lows in the upper 40s.

SUNDAY
Mostly sunny. Highs around 70.

SUNDAY NIGHT
Mainly clear. Lows in the lower 50s.

15123 WEATHER SATELLITE LOOPS

Visible Weather Satellite
WEST MIFFLIN, PA 15123

Infrared Weather Satellite
WEST MIFFLIN, PA 15123

15123 WEATHER RADAR LOOP

NEXRAD Weather Radar
WEST MIFFLIN, PA 15123

MOS COMPUTER WEATHER FORECAST

ALLEGHENY CO. ARPT, PA 3 hourly weather forecast

weather forecast created 7:00 PM CDT 9/21/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
22 SEP 2026

2 AM

57°

55°

Mostly Cloudy

33%
RAIN
.1–.25 in

0% Thunder
( 8% severe)

ENE 10

96%

56°

Low 56°

5 AM

58°

56°

Mostly Cloudy

ENE 10

93%

56°

High 62°

8 AM

58°

56°

Mostly Cloudy

67%
RAIN
>2 in

0% Thunder
( 7% severe)

ENE 10

96%

57°

Mostly Cloudy

Rain Likely

11 AM

61°

59°

Mostly Cloudy

E 12

87%

57°

2 PM

61°

59°

Mostly Cloudy

66%
RAIN
>2 in

0% Thunder
( 14% severe)

E 14

81%

55°

5 PM

60°

58°

Mostly Cloudy

E 14

81%

54°

8 PM

58°

55°

Mostly Cloudy

48%
RAIN
.1–.25 in

0% Thunder
( 11% severe)

E 13

77%

51°

11 PM

57°

54°

Mostly Cloudy

E 12

86%

53°

Wednesday
23 SEP 2026

2 AM

56°

53°

Mostly Cloudy

60%
RAIN
***

0% Thunder
( 7% severe)

E 12

90%

53°

Low 54°

5 AM

55°

52°

Mostly Cloudy

E 12

90%

52°

High 61°

8 AM

54°

51°

Mostly Cloudy

35%
RAIN
.25–.5 in

0% Thunder
( 2% severe)

E 12

93%

52°

Mostly Cloudy

Chance of Rain

11 AM

57°

54°

Mostly Cloudy

E 13

77%

50°

2 PM

60°

58°

Mostly Cloudy

38%
RAIN
.5–1 in

0% Thunder
( 6% severe)

E 13

69%

50°

5 PM

61°

59°

Mostly Cloudy

E 13

67%

50°

8 PM

57°

54°

Mostly Cloudy

21%
RAIN
<.01 in

0% Thunder
( 2% severe)

E 12

72%

48°

11 PM

55°

52°

Mostly Cloudy

E 10

83%

50°


ALLEGHENY CO. ARPT, PA extended weather forecast
Thursday 24 SEP 2026	Friday 25 SEP 2026	Saturday 26 SEP 2026	Sunday 27 SEP 2026	Monday 28 SEP 2026
Low 47°	Low 45°	Low 47°	Low 49°	Low 52°
High 64°	High 67°	High 70°	High 71°	High 72°

Partly Cloudy 9% Rain	Clear 10% Rain	Clear 5% Rain	Clear 17% Rain	Partly Cloudy 27% Rain

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