Summit Weather Forecast

    • 59
    • 81

    Mostly Sunny

    • 58
    • 79

    Partly Sunny

    • 57
    • 76

    Mostly Cloudy

    • 58
    • 77

    Chance Rain Showers

    • 58
    • 78

    Chance Rain Showers

    • 58
    • 83

    Partly Sunny

Today 14 Sep Western Union

Sunny. A slight chance of Showers this afternoon. Highs in the lower 80s. Northwest Winds around 5 Mph, becoming northeast around 5 Mph this afternoon. Chance of rain 20 percent.

Tonight 14 Sep Western Union

Partly cloudy in the Evening, then clearing. Lows in the lower 60s. East Winds around 5 Mph, becoming north after midnight.

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Summit Temperature Statistics

September Temperature

Morristown Municipal (6.2 miles)

  • Lowest 8 September, 2025

    44.6 °F

  • Average September

    64.6 °F

  • Highest 5 September, 2025

    86 °F

Climate (2020–Present)

Morristown Municipal (6.2 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    64.2 °F
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