Granite City Rainfall Forecast

  • No Rain
  • No Rain
  • No Rain
  • 60%
  • 70%
  • 45%
  • 25%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Granite City Rainfall Statistics

September Rainfall

St. Louis Downtown Airport (9.3 miles)

  • Total Rainfall September

    2.7in

  • Daily Average September

    0.1in

  • Wettest Day 9 September, 2026

    1.7in

  • Wet Days September

    7/28 (25%)

Climate (2021–2025)

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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