Otter Island Weather Forecast

    • 45
    • 55

    Rain Showers Likely

    • 46
    • 54

    Rain Showers

    • 46
    • 58

    Rain Showers

    • 48
    • 59

    Partly Sunny

    • 51
    • 64

    Partly Sunny

    • 53
    • 68

    Mostly Cloudy

Today 31 May Knox

Partly sunny. Showers likely with a slight chance of Thunderstorms in the afternoon. Highs in the mid 60s. Light and variable Winds. Chance of rain 70 percent.

Tonight 31 May Knox

Partly cloudy. Chance of frost in Sheltered Locations. Near steady temperature in the upper 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Otter Island Temperature Statistics

May Temperature

Rockland, Knox County Regional Airport (15.5 miles)

  • Lowest 4 May, 2026

    32 °F

  • Average May

    53.9 °F

  • Highest 20 May, 2026

    86 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (15.5 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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