Northern Island Weather Forecast

    • 26
    • 37

    Chance Snow

    • 16
    • 31

    Mostly Cloudy

    • 17
    • 25

    Partly Sunny

    • 24
    • 32

    Mostly Cloudy

    • 30
    • 40

    Mostly Cloudy

    • 32
    • 46

    Rain Likely

Today 13 Dec Knox

Partly sunny in the Morning, then cloudy with scattered snow Showers in the afternoon. Highs in the mid 30s. Light and variable Winds, becoming southwest around 10 Mph with Gusts up to 20 Mph in the afternoon. Chance of snow 40 percent.

Tonight 13 Dec Knox

Mostly cloudy. A slight chance of snow in the Evening, then a chance of snow after midnight. Lows in the lower 20s. West Winds around 10 Mph in the Evening, becoming light and variable. Chance of snow 30 percent.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Northern Island Temperature Statistics

December Temperature

Rockland, Knox County Regional Airport (8.1 miles)

  • Lowest 9 December, 2025

    -2 °F
  • Average December

    25 °F
  • Highest 10 December, 2025

    45 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (8.1 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    39.9 °F
  • Average 2020–2025

    47.9 °F
  • Average High 2020–2025

    55.2 °F
Get WillyWeather+ to remove ads