Allentown Weather Forecast

    • 63
    • 78

    Rain Showers

    • 66
    • 79

    Rain Showers Likely

    • 68
    • 79

    Rain Showers

    • 69
    • 85

    Rain Showers Likely

    • 62
    • 81

    Rain Showers

    • 61
    • 78

    Slight Chance Thunderstorms

Today 15 Jun Allegheny

Showers likely with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Near steady temperature in the mid 70s. Northeast Winds around 5 Mph. Chance of rain 70 percent.

Tonight 15 Jun Allegheny

Mostly cloudy. Showers likely with a slight chance of Thunderstorms in the evening. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the lower 60s. East Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Allentown Temperature Statistics

June Temperature

Pittsburgh - Allegheny County Airport (5.6 miles)

  • Lowest 2 June, 2025

    41.6 °F

  • Average June

    68.6 °F

  • Highest 4 June, 2025

    86.6 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (5.6 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63.3 °F
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