Gravier Slough Weather Forecast

    • 40
    • 53

    Sunny

    • 34
    • 64

    Mostly Sunny

    • 24
    • 46

    Partly Sunny

    • 30
    • 48

    Mostly Sunny

    • 27
    • 55

    Partly Sunny

    • 35
    • 50

    Mostly Cloudy

Today 15 Jan Marion

Sunny, cooler with Highs in the lower 50s. Northwest Winds around 5 Mph, becoming southwest this afternoon.

Tonight 15 Jan Marion

Clear. Not as cool with Lows around 40. South Winds 5 to 10 Mph.

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Gravier Slough Temperature Statistics

January Temperature

Marshall (19.3 miles)

  • Lowest 12 January, 2026

    28.4 °F

  • Average January

    54.7 °F

  • Highest 6 January, 2026

    79.5 °F

Climate (2021–Present)

Marshall (19.3 miles)

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  • Average Low 2021–2026

    55.4 °F

  • Average 2021–2026

    65.7 °F

  • Average High 2021–2026

    77.4 °F
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