Tommy Island Weather Forecast

    • 16
    • 24

    Decreasing Clouds

    • 27
    • 34

    Mostly Cloudy

    • 23
    • 38

    Partly Sunny

    • 1
    • 28

    Partly Sunny

    • 1
    • 9

    Cold

    • 6
    • 11

    Mostly Cloudy

Today 20 Jan Knox

Mostly sunny. Highs in the lower 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 20 Jan Knox

Mostly clear. Lows around 10 above. West Winds around 10 Mph with Gusts up to 20 Mph. Wind chill Values as low as 1 below.

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Tommy Island Temperature Statistics

January Temperature

Rockland, Knox County Regional Airport (3.1 miles)

  • Lowest 5 January, 2026

    6.1 °F
  • Average January

    27.8 °F
  • Highest 14 January, 2026

    46.9 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (3.1 miles)

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  • Average Low 2021–2026

    39.7 °F
  • Average 2021–2026

    47.8 °F
  • Average High 2021–2026

    55 °F
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