St Johnsbury Weather Forecast

    • 56
    • 76

    Slight Chance Rain Showers

    • 49
    • 74

    Chance Rain Showers

    • 45
    • 73

    Mostly Sunny

    • 50
    • 77

    Slight Chance Rain Showers

    • 49
    • 74

    Mostly Cloudy

    • 58
    • 75

    Rain Showers Likely

    • 47
    • 75

    Rain Showers Likely

Today 4 Sep Caledonia

Partly sunny. Patchy dense fog this morning. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 70s. Light and variable Winds, becoming northwest around 10 Mph this afternoon. Chance of rain 20 percent.

Tonight 4 Sep Caledonia

Partly cloudy. A slight chance of Showers until midnight. Patchy dense fog. Lows in the mid 50s. Light and variable Winds. Chance of rain 20 percent.

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St Johnsbury Temperature Statistics

September Temperature

St. Johnsbury - Fairbanks (0 miles)

  • Lowest 1 September, 2026

    54 °F

  • Average September

    65.4 °F

  • Highest 1 September, 2026

    77 °F

Climate (2021–2026)

St. Johnsbury - Fairbanks (0 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    55.4 °F
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