Port Jefferson Rainfall Forecast

  • 90%
  • 5%
  • 5%
  • 30%
  • 30%
  • 30%
  • 25%
Graph Plots Open in Graphs
  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Port Jefferson Rainfall Statistics

December Rainfall

Islip, Long Island Mac Arthur Airport (10.6 miles)

  • Total Rainfall December

  • Daily Average December

  • Wettest Day

  • Wet Days December

Climate (2010–Present)

Islip, Long Island Mac Arthur Airport (10.6 miles)

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  • Annual Average 2010–Present

    73.9in
  • Monthly Average 2010–Present

    6.3in
  • Daily Average 2010–Present

    0.2in
  • Wettest Day 31 July, 2020

    9.7in
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