Janesville Rainfall Forecast

  • 20%
  • 55%
  • 25%
  • 90%
  • 55%
  • 50%
  • 35%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Janesville Rainfall Statistics

September Rainfall

Janesville-Rock County (4.3 miles)

  • Total Rainfall September

    0.1in

  • Daily Average September

    0.01in

  • Wettest Day 9 September, 2026

    0.1in

  • Wet Days September

    2/16 (13%)

Climate (2021–2025)

Janesville-Rock County (4.3 miles)

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  • Annual Average 2021–2025

    13.4in

  • Monthly Average 2021–2026

    1.2in

  • Daily Average 2021–2026

    0.04in

  • Wettest Day 1 August, 2026

    2.8in
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