Lawrenceville Weather Forecast

    • 40
    • 66

    Decreasing Clouds

    • 45
    • 63

    Mostly Sunny

    • 44
    • 64

    Chance Rain

    • 42
    • 60

    Partly Sunny

    • 42
    • 61

    Mostly Sunny

    • 46
    • 64

    Partly Sunny

Today 18 Sep Northern St. Lawrence

Mostly sunny. Highs in the mid 60s. Northwest Winds around 10 Mph.

Tonight 18 Sep Northern St. Lawrence

Partly cloudy until Midnight, then clearing. 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

    42.1 °F

  • Average September

    64.5 °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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