Topsham Weather Forecast

    • 41
    • 54

    Rain

    • 36
    • 56

    Mostly Sunny

    • 48
    • 70

    Mostly Sunny

    • 54
    • 78

    Mostly Cloudy

    • 57
    • 74

    Slight Chance Rain Showers

    • 58
    • 77

    Chance Rain Showers

Today 10 May Orange

Cloudy. Rain, mainly in the morning. Highs in the mid 50s. Northwest Winds 10 to 15 Mph. Chance of rain 90 percent.

Tonight 10 May Orange

Rain. Near steady temperature in the mid 40s. Light and variable Winds. Chance of rain near 100 percent.

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  • Temperature Real-Time

Topsham Temperature Statistics

May Temperature

Barre / Montpelier, Knapp State Airport (16.2 miles)

  • Lowest 1 May, 2025

    27.8 °F

  • Average May

    56.5 °F

  • Highest 2 May, 2025

    72.6 °F

Climate (2020–Present)

Barre / Montpelier, Knapp State Airport (16.2 miles)

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  • Average Low 2020–2025

    36.8 °F

  • Average 2020–2025

    46.1 °F

  • Average High 2020–2025

    55.6 °F
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