Boston Harbor Islands State Park Rainfall Forecast

  • 5%
  • 100%
  • 5%
  • 5%
  • 25%
  • 15%
  • 25%
Graph Plots Open in Graphs

  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Boston Harbor Islands State Park Rainfall Statistics

December Rainfall

Boston, Logan International Airport (5.6 miles)

  • Total Rainfall December

    2.3in

  • Daily Average December

    0.1in

  • Wettest Day 2 December, 2025

    0.7in

  • Wet Days December

    12/31 (39%)

Climate (2010–Present)

Boston, Logan International Airport (5.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Annual Average 2021–2025

    43.1in

  • Monthly Average 2021–2025

    3.6in

  • Daily Average 2021–2025

    0.1in

  • Wettest Day 22 May, 2025

    3.1in
Get WillyWeather+ to remove ads