Ash Island Weather Forecast

    • 45
    • 60

    Becoming Sunny

    • 45
    • 58

    Sunny

    • 50
    • 59

    Partly Sunny

    • 53
    • 64

    Chance Rain Showers

    • 52
    • 61

    Rain Showers Likely

    • 51
    • 61

    Chance Rain Showers

    • 51
    • 59

    Slight Chance Rain Showers

Today 22 Sep Knox

Mostly sunny. Highs in the mid 60s. Light and variable Winds.

Tonight 22 Sep Knox

Mostly clear. Lows in the lower 40s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ash Island Temperature Statistics

September Temperature

Rockland, Knox County Regional Airport (1.9 miles)

  • Lowest 20 September, 2026

    39 °F

  • Average September

    60.6 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (1.9 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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