Allentown Weather Forecast
- 56
- 77
Chance Rain Showers
- 58
- 80
Mostly Sunny
- 60
- 83
Mostly Sunny
- 64
- 85
Partly Sunny
- 64
- 84
Rain Showers Likely
- 54
- 76
Chance Rain Showers
Today 18 May Allegheny
Partly sunny in the Morning, then becoming partly cloudy. Patchy fog in the morning. A 20 percent chance of Showers. Highs in the mid 70s. South Winds around 5 Mph, becoming east around 5 Mph in the afternoon.
Tonight 18 May Allegheny
Mainly clear. Lows in the mid 50s. East Winds around 5 Mph.
Allentown Temperature Statistics
May Temperature
Pittsburgh - Allegheny County Airport (5.6 miles)
Lowest 11 May, 2024
42.7 °FAverage May
65 °FHighest 2 May, 2024
85.6 °F
Climate (2019–Present)
Pittsburgh - Allegheny County Airport (5.6 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
46 °FAverage 2019–2024
54.2 °FAverage High 2019–2024
62.8 °F