Castle Rock Rainfall Forecast

  • 90%
  • 35%
  • 10%
  • 95%
  • 55%
  • 25%
  • 5%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Castle Rock Rainfall Statistics

April Rainfall

Boston, Logan International Airport (6.2 miles)

  • Total Rainfall April

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  • Daily Average April

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  • Wettest Day 2 April, 2026

    –

  • Wet Days April

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Climate (2010–Present)

Boston, Logan International Airport (6.2 miles)

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  • Annual Average 2021–2025

    43.1in

  • Monthly Average 2021–2026

    3.6in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 22 May, 2025

    3.1in
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