Great South Bay Rainfall Forecast

  • 15%
  • 90%
  • 30%
  • 60%
  • 5%
  • 5%
  • 30%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Great South Bay Rainfall Statistics

February Rainfall

Islip, Long Island Mac Arthur Airport (8.1 miles)

  • Total Rainfall February

    1in

  • Daily Average February

    0.05in

  • Wettest Day 20 February, 2026

    0.6in

  • Wet Days February

    8/24 (33%)

Climate (2010–Present)

Islip, Long Island Mac Arthur Airport (8.1 miles)

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  • Annual Average 2021–2025

    44.1in

  • Monthly Average 2021–2026

    3.7in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 16 July, 2023

    4.6in
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