Lisbon Weather Forecast

    • 63
    • 77

    Slight Chance Rain Showers

    • 53
    • 76

    Rain Showers

    • 46
    • 69

    Slight Chance Rain Showers

    • 41
    • 66

    Mostly Sunny

    • 42
    • 68

    Mostly Sunny

    • 47
    • 71

    Partly Sunny

Today 5 Sep Northern Grafton

Mostly cloudy in the Morning, then becoming partly sunny. Areas of fog in the morning. A 20 percent chance of Showers. Visibility one quarter mile or less at Times in the morning. Highs in the mid 70s. Light and variable Winds, becoming south around 10 Mph with Gusts up to 20 Mph in the afternoon.

Tonight 5 Sep Northern Grafton

Mostly clear in the Evening, then partly cloudy with a slight chance of Showers after midnight. Lows in the lower 60s. South Winds around 10 Mph. Chance of rain 20 percent.

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Lisbon Temperature Statistics

September Temperature

St. Johnsbury - Fairbanks (14.9 miles)

  • Lowest 1 September, 2025

    48 °F

  • Average September

    64 °F

  • Highest 1 September, 2025

    79 °F

Climate (2020–Present)

St. Johnsbury - Fairbanks (14.9 miles)

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  • Average Low 2020–2025

    36.4 °F

  • Average 2020–2025

    45.7 °F

  • Average High 2020–2025

    55.4 °F
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