Belfast Weather Forecast

    • 29
    • 41

    Chance Rain

    • 47
    • 50

    Rain

    • 14
    • 51

    Chance Rain Showers

    • 22
    • 33

    Partly Sunny

    • 26
    • 40

    Mostly Cloudy

    • 25
    • 44

    Chance Rain

Today 15 Mar Coastal Waldo

Partly sunny. Highs in the lower 40s. Light and variable Winds.

Tonight 15 Mar Coastal Waldo

Mostly cloudy. A slight chance of snow in the evening. Lows in the upper 20s. Light and variable Winds, becoming southeast around 10 Mph with Gusts up to 20 Mph after midnight. Chance of snow 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Belfast Temperature Statistics

March Temperature

Rockland, Knox County Regional Airport (24.9 miles)

  • Lowest 2 March, 2026

    3 °F

  • Average March

    34 °F

  • Highest 10 March, 2026

    57 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (24.9 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    55 °F
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