Hallam Weather Forecast

    • 68
    • 87

    Chance Rain Showers

    • 72
    • 87

    Mostly Cloudy

    • 73
    • 92

    Chance Rain Showers

    • 73
    • 93

    Chance Rain Showers

    • 69
    • 93

    Chance Thunderstorms

    • 64
    • 87

    Slight Chance Thunderstorms

    • 62
    • 83

    Partly Sunny

Today 30 Aug York

Partly sunny with a chance of Showers with a slight chance of Thunderstorms. Highs in the mid 80s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 30 Aug York

Mostly cloudy. A slight chance of Showers and Thunderstorms this evening. Lows in the upper 60s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hallam Temperature Statistics

August Temperature

Harrisburg, Harrisburg International Airport (15.5 miles)

  • Lowest 21 August, 2026

    60.7 °F

  • Average August

    76.2 °F

  • Highest 9 August, 2026

    90.6 °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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