Graniteville Weather Forecast

    • 53
    • 79

    Increasing Clouds

    • 35
    • 64

    Mostly Sunny

    • 33
    • 62

    Mostly Sunny

    • 45
    • 69

    Partly Sunny

    • 54
    • 74

    Chance Rain Showers

    • 54
    • 75

    Chance Rain Showers

    • 51
    • 72

    Chance Rain Showers

Today 18 Sep Washington

Partly sunny this Morning, then clearing. Patchy dense fog this morning. Highs in the upper 70s. Light and variable Winds.

Tonight 18 Sep Washington

Partly cloudy until Midnight, then mostly cloudy with a slight chance of Showers after midnight. Lows in the lower 50s. Northwest Winds around 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Graniteville Temperature Statistics

September Temperature

Barre / Montpelier, Knapp State Airport (5 miles)

  • Lowest 9 September, 2025

    39 °F

  • Average September

    58.5 °F

  • Highest 4 September, 2025

    80.1 °F

Climate (2020–Present)

Barre / Montpelier, Knapp State Airport (5 miles)

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  • Average Low 2020–2025

    36.8 °F

  • Average 2020–2025

    46.2 °F

  • Average High 2020–2025

    55.7 °F
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