Connecticut River - Rock Landing Weather Forecast

    • 58
    • 82

    Slight Chance Rain Showers

    • 50
    • 82

    Mostly Sunny

    • 47
    • 73

    Mostly Sunny

    • 49
    • 71

    Partly Sunny

    • 57
    • 75

    Partly Sunny

    • 60
    • 83

    Partly Sunny

Today 18 Sep Northern Middlesex

Patchy fog this morning. Partly sunny with a slight chance of Showers this Morning, then sunny this afternoon. Highs around 80. Northwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 18 Sep Northern Middlesex

Clear. Lows in the upper 50s. West Winds around 5 Mph.

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Connecticut River - Rock Landing Temperature Statistics

September Temperature

Chester, Chester Airport (7.5 miles)

  • Lowest 8 September, 2025

    50 °F

  • Average September

    65.1 °F

  • Highest 5 September, 2025

    82.4 °F

Climate (2020–Present)

Chester, Chester Airport (7.5 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    53.7 °F

  • Average High 2020–2025

    62.6 °F
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