Blenheim Weather Forecast

    • 61
    • 88

    Becoming Sunny

    • 60
    • 88

    Mostly Sunny

    • 63
    • 89

    Sunny

    • 67
    • 93

    Mostly Sunny

    • 69
    • 94

    Mostly Sunny

    • 70
    • 94

    Partly Sunny

Today 15 Sep Marlboro

Mostly sunny. Highs in the upper 80s. Northeast Winds 5 to 10 Mph.

Tonight 15 Sep Marlboro

Partly cloudy. Near steady temperature in the mid 70s. East Winds 5 to 10 Mph.

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Blenheim Temperature Statistics

September Temperature

Marlboro County Jetport (8.7 miles)

  • Lowest 9 September, 2026

    59 °F

  • Average September

    80 °F

  • Highest 5 September, 2026

    100.4 °F

Climate (2021–2026)

Marlboro County Jetport (8.7 miles)

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  • Average Low 2021–2026

    51.4 °F

  • Average 2021–2026

    62.2 °F

  • Average High 2021–2026

    74.2 °F
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