Alton Weather Forecast

    • 61
    • 82

    Isolated Thunderstorms

    • 54
    • 78

    Rain Showers Likely

    • 55
    • 77

    Mostly Sunny

    • 57
    • 80

    Rain Showers Likely

    • 57
    • 80

    Partly Sunny

    • 59
    • 84

    Partly Sunny

Today 15 Jul Southern Penobscot

Partly sunny. Scattered Showers, mainly this morning. Highs in the lower 80s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.

Tonight 15 Jul Southern Penobscot

Partly cloudy in the Evening, then clearing. Lows in the lower 60s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Alton Temperature Statistics

July Temperature

Bangor, Bangor International Airport (16.8 miles)

  • Lowest 12 July, 2026

    52 °F

  • Average July

    73.8 °F

  • Highest 2 July, 2026

    93.7 °F

Climate (2021–2026)

Bangor, Bangor International Airport (16.8 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.8 °F
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