Boonton Reservoir Weather Forecast

    • 55
    • 75

    Increasing Clouds

    • 50
    • 74

    Mostly Sunny

    • 55
    • 76

    Chance Rain Showers

    • 57
    • 82

    Mostly Sunny

    • 63
    • 87

    Mostly Sunny

    • 68
    • 91

    Partly Sunny

    • 67
    • 91

    Chance Rain Showers

Today 31 May Morris

Sunny, warmer with Highs in the lower 70s. Northwest Winds 5 to 10 Mph.

Tonight 31 May Morris

Partly cloudy. Not as cool with Lows in the mid 50s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph this Evening, becoming light and variable.

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Boonton Reservoir Temperature Statistics

May Temperature

Morristown Municipal (5.6 miles)

  • Lowest 1 May, 2026

    39.2 °F

  • Average May

    59.6 °F

  • Highest 19 May, 2026

    95 °F

Climate (2021–Present)

Morristown Municipal (5.6 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    64 °F
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