Hallam Weather Forecast

    • 59
    • 78

    Mostly Cloudy

    • 61
    • 72

    Chance Rain Showers

    • 60
    • 82

    Partly Sunny

    • 57
    • 85

    Mostly Sunny

    • 57
    • 79

    Partly Sunny

    • 58
    • 78

    Mostly Cloudy

Today 16 Sep York

Partly sunny. A slight chance of Showers in the afternoon. Highs in the upper 70s. Northeast Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 16 Sep York

Cloudy. Near steady temperature in the upper 50s. Northeast Winds around 5 Mph.

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Hallam Temperature Statistics

September Temperature

Harrisburg, Harrisburg International Airport (15.5 miles)

  • Lowest 8 September, 2025

    51.1 °F

  • Average September

    68.7 °F

  • Highest 5 September, 2025

    84 °F

Climate (2020–Present)

Harrisburg, Harrisburg International Airport (15.5 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    65.3 °F
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