South Bay Rainfall Forecast

  • No Rain
  • No Rain
  • 5%
  • 10%
  • 15%
  • 15%
  • 20%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

South Bay Rainfall Statistics

January Rainfall

Fortuna Rohnerville Airport (11.2 miles)

  • Total Rainfall January

    4in

  • Daily Average January

    0.2in

  • Wettest Day 3 January, 2026

    1.2in

  • Wet Days January

    8/19 (42%)

Climate (2011–Present)

Fortuna Rohnerville Airport (11.2 miles)

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  • Annual Average 2021–2025

    40.3in

  • Monthly Average 2021–2025

    3.4in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 21 December, 2025

    3.9in
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