Somerville Weather Forecast

    • 53
    • 71

    Chance Rain Showers

    • 48
    • 74

    Partly Sunny

    • 49
    • 75

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

    • 54
    • 82

    Mostly Sunny

    • 56
    • 82

    Partly Sunny

    • 51
    • 79

    Partly Sunny

Today 13 Sep Southwestern St. Lawrence

Partly sunny. Near steady temperature around 70. West Winds around 10 Mph.

Tonight 13 Sep Southwestern St. Lawrence

Partly cloudy. A slight chance of Showers after midnight. Patchy fog after midnight. Lows in the mid 50s. Southwest Winds around 10 Mph until Midnight, becoming light and variable. Chance of rain 20 percent.

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Somerville Temperature Statistics

September Temperature

Fort Drum / Wheeler-Sack U. S. Army Airfield (18 miles)

  • Lowest 8 September, 2025

    45 °F

  • Average September

    61.1 °F

  • Highest 4 September, 2025

    81.9 °F

Climate (2020–Present)

Fort Drum / Wheeler-Sack U. S. Army Airfield (18 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    48.1 °F

  • Average High 2020–2025

    56.2 °F
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