Olympia-Granby Rainfall Forecast

  • 40%
  • 55%
  • 55%
  • 20%
  • 25%
  • 10%
  • 5%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Olympia-Granby Rainfall Statistics

September Rainfall

Columbia - Jim Hamilton L.B. Owens Airport (1.9 miles)

  • Total Rainfall September

    1.5in

  • Daily Average September

    0.2in

  • Wettest Day 5 September, 2026

    1.4in

  • Wet Days September

    2/11 (18%)

Climate (2021–2025)

Columbia - Jim Hamilton L.B. Owens Airport (1.9 miles)

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  • Annual Average 2021–2025

    44.8in

  • Monthly Average 2021–2026

    3.5in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 26 September, 2024

    6.4in
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