West Mifflin Weather Forecast
- 34
- 63
Rain Likely
- 31
- 46
Snow Likely
- 27
- 37
Snow
- 21
- 35
Chance Snow
- 25
- 34
Mostly Cloudy
- 33
- 46
Rain Likely
Today 20 Feb Allegheny
Partly sunny with a chance of rain with a slight chance of Thunderstorms in the Morning, then partly cloudy in the afternoon. Breezy. Unseasonably warm with Highs in the lower 60s. Temperatures falling into the lower 50s in the afternoon. South Winds 15 to 20 Mph, becoming southwest 15 to 25 Mph in the afternoon. Gusts up to 40 Mph. Chance of rain 50 percent.
Tonight 20 Feb Allegheny
Mostly cloudy. A slight chance of rain in the evening. Lows in the mid 30s. West Winds 10 to 15 Mph. Gusts up to 35 Mph in the evening. Chance of rain 20 percent.
West Mifflin Temperature Statistics
February Temperature
Pittsburgh - Allegheny County Airport (2.5 miles)
Lowest 1 February, 2026
1.9 °FAverage February
26.1 °FHighest 17 February, 2026
57.9 °F
Climate (2021–Present)
Pittsburgh - Allegheny County Airport (2.5 miles)
Average Low 2021–2026
45.9 °FAverage 2021–2026
54.5 °FAverage High 2021–2026
63.2 °F