Alton Weather Forecast

    • 28
    • 42

    Mostly Cloudy

    • 33
    • 56

    Mostly Cloudy

    • 35
    • 43

    Rain

    • 27
    • 52

    Chance Rain

    • 23
    • 41

    Chance Snow

    • 27
    • 38

    Chance Snow/Sleet

Today 29 Mar Southern Penobscot

Sunny this Morning, then becoming partly sunny. Highs in the lower 40s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 29 Mar Southern Penobscot

Partly cloudy. Lows in the upper 20s. Southwest Winds 5 to 10 Mph.

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Alton Temperature Statistics

March Temperature

Bangor, Bangor International Airport (16.8 miles)

  • Lowest 3 March, 2026

    -0.3 °F

  • Average March

    32.4 °F

  • Highest 10 March, 2026

    70.6 °F

Climate (2021–Present)

Bangor, Bangor International Airport (16.8 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    56.8 °F
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