Boonton Weather Forecast

    • 60
    • 85

    Mostly Cloudy

    • 55
    • 77

    Mostly Sunny

    • 56
    • 79

    Partly Sunny

    • 52
    • 71

    Partly Sunny

    • 54
    • 72

    Partly Sunny

    • 53
    • 72

    Slight Chance Rain Showers

Today 27 May Morris

Mostly cloudy with a 20 percent chance of Showers. Highs in the lower 80s. West Winds 5 to 10 Mph.

Tonight 27 May Morris

Mostly cloudy with a slight chance of Showers in the Evening, then partly cloudy after midnight. Lows in the upper 50s. Northwest Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boonton Temperature Statistics

May Temperature

Caldwell, Essex County Airport (6.2 miles)

  • Lowest 12 May, 2026

    41 °F

  • Average May

    61.7 °F

  • Highest 19 May, 2026

    96.1 °F

Climate (2021–Present)

Caldwell, Essex County Airport (6.2 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    56 °F

  • Average High 2021–2026

    65.2 °F
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