Granite City Rainfall Forecast

  • 90%
  • 100%
  • 75%
  • 10%
  • 35%
  • 30%
  • 25%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Granite City Rainfall Statistics

May Rainfall

St. Louis Downtown Airport (9.3 miles)

  • Total Rainfall May

    0.7in

  • Daily Average May

    0.05in

  • Wettest Day 8 May, 2026

    0.5in

  • Wet Days May

    7/18 (39%)

Climate (2010–Present)

St. Louis Downtown Airport (9.3 miles)

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  • Annual Average 2021–2025

    43.5in

  • Monthly Average 2021–2026

    3.6in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 26 July, 2022

    7.2in
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