Old Mastic Rainfall Forecast

  • 20%
  • 5%
  • 10%
  • 30%
  • 5%
  • 20%
  • 15%
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  • Rainfall Probability Forecast NOAA

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Old Mastic Rainfall Statistics

August Rainfall

Shirley, Brookhaven Airport (3.1 miles)

  • Total Rainfall August

    0.3in

  • Daily Average August

    0.02in

  • Wettest Day 13 August, 2025

    0.2in

  • Wet Days August

    4/15 (27%)

Climate (2010–Present)

Shirley, Brookhaven Airport (3.1 miles)

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  • Annual Average 2020–2024

    41.9in

  • Monthly Average 2020–2025

    3.5in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 26 October, 2021

    4.8in
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