Elwell Island Weather Forecast

    • 50
    • 64

    Chance Rain Showers

    • 49
    • 69

    Mostly Cloudy

    • 59
    • 71

    Partly Sunny

    • 52
    • 76

    Chance Rain Showers

    • 46
    • 63

    Slight Chance Rain Showers

    • 47
    • 60

    Chance Rain Showers

Today 29 Sep Knox

Mostly cloudy. Rain likely this Morning, then a chance of Showers this afternoon. Highs in the lower 60s. North Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 29 Sep Knox

Mostly cloudy in the Evening, then becoming partly cloudy. Patchy fog. Lows around 50. North Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Elwell Island Temperature Statistics

September Temperature

Rockland, Knox County Regional Airport (5.6 miles)

  • Lowest 24 September, 2026

    37 °F

  • Average September

    59.5 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (5.6 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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