Topsham Weather Forecast

    • 30
    • 47

    Rain

    • 26
    • 47

    Partly Sunny

    • 32
    • 46

    Slight Chance Rain Showers

    • 34
    • 48

    Slight Chance Rain Showers

    • 36
    • 55

    Partly Sunny

    • 36
    • 55

    Mostly Cloudy

Today 19 Apr Sagadahoc

A chance of rain in the Morning, then rain in the afternoon. Areas of fog. Highs in the upper 40s. Light and variable Winds, becoming northwest around 10 Mph in the afternoon. Chance of rain near 100 percent.

Tonight 19 Apr Sagadahoc

Mostly cloudy with a chance of rain and snow in the Evening, then mostly clear with a slight chance of snow after midnight. Lows around 30. Northwest Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable. Chance of precipitation 50 percent.

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Topsham Temperature Statistics

April Temperature

Wiscasset Airport (13 miles)

  • Lowest 7 April, 2026

    24.1 °F

  • Average April

    43.4 °F

  • Highest 15 April, 2026

    63 °F

Climate (2021–Present)

Wiscasset Airport (13 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    57.9 °F
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