San Leandro Bay - Arrowhead Marsh Rainfall Forecast

  • 30%
  • 25%
  • 10%
  • No Rain
  • 10%
  • 20%
  • 10%
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San Leandro Bay - Arrowhead Marsh Rainfall Statistics

September Rainfall

Oakland, Metro Oakland International Airport (1.9 miles)

  • Total Rainfall September

    0.02in

  • Daily Average September

    0in

  • Wettest Day 9 September, 2025

    0.02in

  • Wet Days September

    1/18 (6%)

Climate (2010–Present)

Oakland, Metro Oakland International Airport (1.9 miles)

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  • Annual Average 2020–2024

    16.4in

  • Monthly Average 2020–2025

    1.4in

  • Daily Average 2020–2025

    0.05in

  • Wettest Day 31 December, 2022

    4.9in
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