Northern Island Weather Forecast

    • 59
    • 77

    Mostly Sunny

    • 62
    • 75

    Partly Sunny

    • 59
    • 72

    Slight Chance Rain Showers

    • 58
    • 74

    Slight Chance Rain Showers

    • 57
    • 73

    Mostly Sunny

    • 59
    • 70

    Slight Chance Rain Showers

    • 59
    • 70

    Slight Chance Rain Showers

Today 11 Aug Knox

Mostly sunny. Highs in the lower 80s. West Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 11 Aug Knox

Mostly clear. Lows in the upper 50s. West Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Northern Island Temperature Statistics

August Temperature

Rockland, Knox County Regional Airport (8.1 miles)

  • Lowest 1 August, 2026

    55.9 °F

  • Average August

    70.6 °F

  • Highest 6 August, 2026

    86 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (8.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.9 °F
Get WillyWeather+ to remove ads