Lawrenceville Weather Forecast

    • 40
    • 59

    Mostly Cloudy

    • 38
    • 62

    Mostly Sunny

    • 42
    • 66

    Mostly Sunny

    • 43
    • 66

    Partly Sunny

    • 45
    • 66

    Partly Sunny

    • 47
    • 69

    Partly Sunny

Today 21 Sep Northern St. Lawrence

Mostly cloudy. Highs in the upper 50s. North Winds around 10 Mph.

Tonight 21 Sep Northern St. Lawrence

Partly cloudy. Lows in the lower 40s. Light and variable Winds.

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Lawrenceville Temperature Statistics

September Temperature

Massena, Massena International-Richards Field (14.3 miles)

  • Lowest 15 September, 2026

    41.6 °F

  • Average September

    64 °F

  • Highest 2 September, 2026

    81.6 °F

Climate (2021–2026)

Massena, Massena International-Richards Field (14.3 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    55.9 °F
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