Norton Island Weather Forecast

    • 50
    • 52

    Rain Showers Likely

    • 49
    • 61

    Chance Rain Showers

    • 44
    • 58

    Chance Rain Showers

    • 43
    • 54

    Mostly Cloudy

    • 43
    • 53

    Chance Rain Showers

    • 43
    • 52

    Rain Showers Likely

    • 44
    • 54

    Rain Showers Likely

Today 17 May Knox

Showers likely with a slight chance of Thunderstorms. Areas of fog. Visibility one quarter mile or less at Times. Highs in the lower 50s. Southeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 17 May Knox

Cloudy. Showers likely with a slight chance of Thunderstorms this Evening, then a chance of Showers after midnight. Areas of fog. Visibility one quarter mile or less at Times. Lows in the lower 50s. Southeast Winds around 10 Mph this Evening, becoming light and variable. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Norton Island Temperature Statistics

May Temperature

Rockland, Knox County Regional Airport (6.2 miles)

  • Lowest 13 May, 2025

    39.9 °F
  • Average May

    50.3 °F
  • Highest 15 May, 2025

    64.9 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (6.2 miles)

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  • Average Low 2020–2025

    40 °F
  • Average 2020–2025

    48 °F
  • Average High 2020–2025

    55.3 °F
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