Allamuchy Mountain Park Weather Forecast

    • 49
    • 62

    Slight Chance Rain Showers

    • 45
    • 66

    Chance Rain Showers

    • 45
    • 54

    Rain Showers

    • 52
    • 63

    Chance Rain Showers

    • 57
    • 73

    Chance Rain Showers

    • 58
    • 79

    Partly Sunny

Today 21 May Sussex

Cloudy. Showers Likely, mainly this morning. Much cooler with Highs in the lower 60s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 21 May Sussex

Mostly cloudy. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Allamuchy Mountain Park Temperature Statistics

May Temperature

Andover, Aeroflex-Andover Airport (5 miles)

  • Lowest 1 May, 2026

    36 °F

  • Average May

    58.7 °F

  • Highest 19 May, 2026

    93 °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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