Belfast Weather Forecast

    • 54
    • 77

    Mostly Sunny

    • 67
    • 89

    Mostly Sunny

    • 69
    • 91

    Mostly Sunny

    • 67
    • 90

    Slight Chance Thunderstorms

    • 64
    • 84

    Slight Chance Thunderstorms

    • 64
    • 85

    Chance Rain Showers

Today 14 Sep Highland

Sunny. Highs in the mid 70s. Northeast Winds 5 to 10 Mph.

Tonight 14 Sep Highland

Mostly clear. Lows in the mid 50s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Belfast Temperature Statistics

September Temperature

Wilmington, Airborne Airpark Airport (28 miles)

  • Lowest 7 September, 2026

    57.7 °F

  • Average September

    77.2 °F

  • Highest 4 September, 2026

    96.7 °F

Climate (2021–2026)

Wilmington, Airborne Airpark Airport (28 miles)

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    65 °F
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