Allamuchy Mountain Park Weather Forecast

    • 39
    • 54

    Chance Rain Showers

    • 42
    • 58

    Chance Rain Showers

    • 45
    • 70

    Partly Sunny

    • 41
    • 66

    Rain Showers Likely

    • 40
    • 52

    Rain Showers Likely

    • 41
    • 58

    Chance Rain Showers

Today 21 Apr Sussex

Sunny. Highs in the lower 50s. Northwest Winds around 5 Mph, becoming southwest this afternoon.

Tonight 21 Apr Sussex

Mostly cloudy. A chance of Showers in the Evening, then Showers likely after midnight. Not as cool with Lows in the upper 30s. South Winds 5 to 10 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Allamuchy Mountain Park Temperature Statistics

April Temperature

Andover, Aeroflex-Andover Airport (5 miles)

  • Lowest 8 April, 2026

    25 °F

  • Average April

    53.4 °F

  • Highest 16 April, 2026

    88 °F

Climate (2021–Present)

Andover, Aeroflex-Andover Airport (5 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.7 °F
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