Somersworth Weather Forecast

    • 52
    • 73

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 53
    • 78

    Partly Sunny

    • 64
    • 72

    Rain Showers Likely

    • 57
    • 81

    Partly Sunny

    • 51
    • 73

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

Today 6 Sep Strafford

Partly sunny with isolated Showers. Highs around 70. Northwest Winds around 10 Mph. Chance of rain 20 percent.

Tonight 6 Sep Strafford

Mostly clear. Isolated Showers in the evening. Lows in the lower 50s. Light and variable Winds. Chance of rain 20 percent.

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Somersworth Temperature Statistics

September Temperature

Rochester - Skyhaven Airport (3.1 miles)

  • Lowest 1 September, 2026

    55 °F

  • Average September

    65.9 °F

  • Highest 4 September, 2026

    84 °F

Climate (2021–2026)

Rochester - Skyhaven Airport (3.1 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    60.8 °F
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