Allamuchy Mountain Park Weather Forecast

    • 24
    • 29

    Increasing Clouds

    • 20
    • 40

    Partly Sunny

    • 5
    • 28

    Partly Sunny

    • 7
    • 14

    Mostly Cloudy

    • 6
    • 16

    Snow Likely

    • 7
    • 22

    Slight Chance Snow

Today 21 Jan Sussex

Mostly sunny. Not as cold with Highs in the upper 20s. South Winds 5 to 10 Mph. Wind chill Values as low as 1 below.

Tonight 21 Jan Sussex

Mostly cloudy in the Evening, then becoming partly cloudy. Not as cold. Near steady temperature in the mid 20s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Allamuchy Mountain Park Temperature Statistics

January Temperature

Andover, Aeroflex-Andover Airport (5 miles)

  • Lowest 3 January, 2026

    8.1 °F

  • Average January

    31.2 °F

  • Highest 8 January, 2026

    51.1 °F

Climate (2021–Present)

Andover, Aeroflex-Andover Airport (5 miles)

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

  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    63.7 °F
Get WillyWeather+ to remove ads