Topsfield Weather Forecast

    • 55
    • 76

    Rain Showers

    • 39
    • 66

    Mostly Sunny

    • 35
    • 62

    Sunny

    • 44
    • 67

    Mostly Sunny

    • 53
    • 72

    Partly Sunny

    • 51
    • 75

    Partly Sunny

Today 18 Sep Northern Washington

Patchy fog this morning. Mostly cloudy with isolated Showers this Morning, then partly sunny this afternoon. Highs in the mid 70s. Southwest Winds around 5 Mph with Gusts up to 15 Mph. Chance of rain 20 percent.

Tonight 18 Sep Northern Washington

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. Southwest Winds around 5 Mph, becoming northwest after midnight.

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Topsfield Temperature Statistics

September Temperature

Houlton, Houlton International Airport (48.5 miles)

  • Lowest 9 September, 2025

    35.1 °F

  • Average September

    57.2 °F

  • Highest 1 September, 2025

    78.1 °F

Climate (2020–Present)

Houlton, Houlton International Airport (48.5 miles)

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  • Average Low 2020–2025

    33.6 °F

  • Average 2020–2025

    44 °F

  • Average High 2020–2025

    53.8 °F
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