Waltham Weather Forecast

    • 51
    • 76

    Sunny

    • 56
    • 84

    Mostly Sunny

    • 57
    • 85

    Mostly Cloudy

    • 53
    • 80

    Chance Rain Showers

    • 48
    • 70

    Chance Rain Showers

    • 50
    • 73

    Partly Sunny

Today 3 Jun Interior Hancock

Sunny. Highs in the upper 70s. Southwest Winds 5 to 10 Mph.

Tonight 3 Jun Interior Hancock

Clear. Lows in the lower 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Waltham Temperature Statistics

June Temperature

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

  • Lowest 1 June, 2026

    37 °F

  • Average June

    48.7 °F

  • Highest 1 June, 2026

    60.1 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    54.5 °F
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