New London Rainfall Forecast

  • 50%
  • No Rain
  • No Rain
  • No Rain
  • 5%
  • 5%
  • 20%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

New London Rainfall Statistics

September Rainfall

Groton / New London, Groton / New London Airport (3.1 miles)

  • Total Rainfall September

    1.4in

  • Daily Average September

    0.1in

  • Wettest Day 7 September, 2025

    0.7in

  • Wet Days September

    3/18 (17%)

Climate (2010–Present)

Groton / New London, Groton / New London Airport (3.1 miles)

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  • Annual Average 2020–2024

    39.1in

  • Monthly Average 2020–2025

    3.2in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 11 December, 2024

    3in
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