Belfast Weather Forecast

    • 59
    • 76

    Increasing Clouds

    • 66
    • 82

    Mostly Sunny

    • 63
    • 85

    Rain Showers

    • 58
    • 80

    Mostly Sunny

    • 59
    • 76

    Partly Sunny

    • 60
    • 77

    Partly Sunny

Today 23 Jul Coastal Waldo

Mostly sunny. Highs in the upper 70s. Light and variable Winds, becoming south around 10 Mph this afternoon.

Tonight 23 Jul Coastal Waldo

Partly cloudy. Lows in the lower 60s. Southwest Winds around 10 Mph.

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Belfast Temperature Statistics

July Temperature

Rockland, Knox County Regional Airport (24.9 miles)

  • Lowest 19 July, 2025

    52 °F

  • Average July

    66.7 °F

  • Highest 2 July, 2025

    84 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (24.9 miles)

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  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    55.3 °F
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