Northern Island Weather Forecast

    • 41
    • 55

    Becoming Sunny

    • 45
    • 52

    Chance Rain

    • 44
    • 53

    Rain

    • 45
    • 52

    Rain Likely

    • 48
    • 58

    Partly Sunny

    • 48
    • 62

    Partly Sunny

Today 12 May Knox

Mostly sunny early this Morning, then becoming mostly cloudy. Highs in the upper 50s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 12 May Knox

Mostly clear. Chance of frost in Sheltered Locations after midnight. Lows in the upper 30s. Northwest Winds around 10 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

    48.8 °F

  • Highest 4 May, 2026

    63 °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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