Newton Hamilton Weather Forecast

    • 70
    • 89

    Thunderstorms

    • 65
    • 87

    Thunderstorms Likely

    • 55
    • 82

    Partly Sunny

    • 55
    • 80

    Mostly Sunny

    • 56
    • 81

    Partly Sunny

    • 60
    • 84

    Partly Sunny

Today 3 Sep Mifflin

Mostly sunny with a slight chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Hot with Highs in the mid 80s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 3 Sep Mifflin

Showers with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the upper 60s. West Winds around 5 Mph. Chance of rain near 100 percent.

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Newton Hamilton Temperature Statistics

September Temperature

Altoona - Blair County Airport (25.5 miles)

  • Lowest 1 September, 2026

    68 °F

  • Average September

    77.9 °F

  • Highest 1 September, 2026

    90 °F

Climate (2021–2026)

Altoona - Blair County Airport (25.5 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    62.2 °F
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