Waltham Weather Forecast

    • 37
    • 56

    Increasing Clouds

    • 34
    • 54

    Becoming Sunny

    • 27
    • 48

    Mostly Sunny

    • 30
    • 53

    Sunny

    • 36
    • 59

    Mostly Sunny

    • 35
    • 61

    Partly Sunny

    • 29
    • 50

    Mostly Sunny

Today 21 Oct Interior Hancock

Mostly sunny. Highs in the mid 50s. Northeast Winds 5 to 10 Mph.

Tonight 21 Oct Interior Hancock

Partly cloudy in the Evening, then becoming cloudy. Lows in the upper 30s. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Waltham Temperature Statistics

October Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (17.4 miles)

  • Lowest 18 October, 2026

    26.1 °F

  • Average October

    50.5 °F

  • Highest 1 October, 2026

    66 °F

Climate (2021–2026)

Bar Harbor, Hancock County-Bar Harbor Airport (17.4 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    54.6 °F
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