Great Swamp National Wildlife Refuge Weather Forecast

    • 63
    • 81

    Becoming Sunny

    • 66
    • 84

    Partly Sunny

    • 71
    • 90

    Mostly Sunny

    • 74
    • 95

    Chance Rain Showers

    • 71
    • 90

    Chance Thunderstorms

    • 69
    • 83

    Chance Thunderstorms

    • 69
    • 88

    Slight Chance Thunderstorms

Today 22 Jul Morris

Mostly sunny. Highs around 80. East Winds around 5 Mph.

Tonight 22 Jul Morris

Mostly clear. Lows in the lower 60s. Southeast Winds around 5 Mph this Evening, becoming light and variable.

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Great Swamp National Wildlife Refuge Temperature Statistics

July Temperature

Morristown Municipal (6.2 miles)

  • Lowest 5 July, 2025

    53.6 °F

  • Average July

    74.2 °F

  • Highest 8 July, 2025

    93.2 °F

Climate (2020–Present)

Morristown Municipal (6.2 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    64.3 °F
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