Northern Island Weather Forecast

    • 56
    • 69

    Mostly Sunny

    • 50
    • 73

    Partly Sunny

    • 46
    • 58

    Chance Rain Showers

    • 45
    • 57

    Rain Showers Likely

    • 44
    • 55

    Chance Rain Showers

    • 47
    • 58

    Slight Chance Rain Showers

Today 26 May Knox

Mostly sunny. Highs around 80. Light and variable Winds, becoming southwest around 10 Mph with Gusts up to 20 Mph this afternoon.

Tonight 26 May Knox

Mostly clear. Lows in the upper 50s. Southwest Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Northern Island Temperature Statistics

May Temperature

Rockland, Knox County Regional Airport (8.1 miles)

  • Lowest 4 May, 2026

    32 °F

  • Average May

    52.7 °F

  • Highest 20 May, 2026

    86 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (8.1 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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