Hallam Weather Forecast

    • 55
    • 82

    Decreasing Clouds

    • 63
    • 76

    Mostly Cloudy

    • 62
    • 77

    Rain Showers

    • 57
    • 71

    Chance Rain Showers

    • 51
    • 62

    Chance Rain Showers

    • 51
    • 61

    Chance Rain Showers

Today 18 Sep York

Mostly sunny. Humid with Highs in the lower 80s. North Winds 5 to 10 Mph.

Tonight 18 Sep York

Partly cloudy. Cooler. Less humid with Lows in the mid 50s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hallam Temperature Statistics

September Temperature

Harrisburg, Harrisburg International Airport (15.5 miles)

  • Lowest 15 September, 2026

    51.1 °F

  • Average September

    74.1 °F

  • Highest 1 September, 2026

    92.6 °F

Climate (2021–2026)

Harrisburg, Harrisburg International Airport (15.5 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    55.9 °F

  • Average High 2021–2026

    65.1 °F
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