High Island Weather Forecast

    • 41
    • 46

    Rain Showers Likely

    • 42
    • 46

    Rain Showers Likely

    • 42
    • 49

    Chance Rain Showers

    • 41
    • 45

    Slight Chance Rain Showers

    • 38
    • 47

    Rain Showers Likely

    • 31
    • 43

    Slight Chance Rain Showers

Today 15 Apr Knox

Cloudy. Patchy fog in the morning. A chance of Showers in the afternoon. Highs in the mid 50s. Light and variable Winds. Chance of rain 50 percent.

Tonight 15 Apr Knox

Cloudy. A chance of Showers in the Evening, then Showers likely after midnight. Lows in the lower 40s. Light and variable Winds. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

High Island Temperature Statistics

April Temperature

Rockland, Knox County Regional Airport (3.7 miles)

  • Lowest 7 April, 2026

    24.1 °F

  • Average April

    39.2 °F

  • Highest 1 April, 2026

    52 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (3.7 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.9 °F
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