Grangeville Rainfall Forecast

  • No Rain
  • 20%
  • No Rain
  • 60%
  • 70%
  • 30%
  • 15%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Grangeville Rainfall Statistics

October Rainfall

Grangeville - Idaho County Airport (0.6 miles)

  • Total Rainfall October

    1.1in

  • Daily Average October

    0.05in

  • Wettest Day 25 October, 2025

    0.6in

  • Wet Days October

    10/28 (36%)

Climate (2011–Present)

Grangeville - Idaho County Airport (0.6 miles)

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  • Annual Average 2020–2024

    17.2in

  • Monthly Average 2020–2025

    1.4in

  • Daily Average 2020–2025

    0.05in

  • Wettest Day 5 May, 2023

    3.2in
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