Long Beach Weather Forecast

    • 61
    • 69

    Mostly Cloudy

    • 62
    • 70

    Rain Showers Likely

    • 63
    • 71

    Chance Rain Showers

    • 57
    • 73

    Mostly Sunny

    • 56
    • 66

    Mostly Sunny

    • 59
    • 66

    Partly Sunny

Today 16 Sep Dukes

Mostly sunny. Near steady temperature in the upper 60s. East Winds 10 to 15 Mph.

Tonight 16 Sep Dukes

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. East Winds 10 to 15 Mph.

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  • Temperature Real-Time

Long Beach Temperature Statistics

September Temperature

Marthas Vineyard Airport (10.6 miles)

  • Lowest 13 September, 2025

    55 °F

  • Average September

    66.8 °F

  • Highest 5 September, 2025

    77 °F

Climate (2020–Present)

Marthas Vineyard Airport (10.6 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    61 °F
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