Belfast Weather Forecast

    • 47
    • 63

    Mostly Cloudy

    • 46
    • 63

    Chance Rain Showers

    • 44
    • 59

    Chance Rain Showers

    • 43
    • 62

    Partly Sunny

    • 46
    • 63

    Slight Chance Rain Showers

    • 45
    • 61

    Chance Rain Showers

    • 44
    • 62

    Partly Sunny

Today 28 Sep Coastal Waldo

Cloudy with a 30 percent chance of Showers. Highs in the mid 60s. Light and variable Winds.

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  • Temperature Forecast NOAA

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Belfast Temperature Statistics

September Temperature

Rockland, Knox County Regional Airport (24.9 miles)

  • Lowest 20 September, 2021

    45 °F
  • Average September

    62.2 °F
  • Highest 1 September, 2021

    73 °F

Climate (2010–Present)

Rockland, Knox County Regional Airport (24.9 miles)

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  • Average Low 2010–Present

    38.8 °F
  • Average 2010–Present

    47.1 °F
  • Average High 2010–Present

    54.6 °F
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