Groton Rainfall Forecast

  • No Rain
  • 30%
  • No Rain
  • No Rain
  • 25%
  • 45%
  • 30%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Groton Rainfall Statistics

July Rainfall

Fitchburg, Fitchburg Municipal Airport (9.9 miles)

  • Total Rainfall July

    1.8in

  • Daily Average July

    0.2in

  • Wettest Day 7 July, 2026

    1.7in

  • Wet Days July

    4/14 (29%)

Climate (2021–2025)

Fitchburg, Fitchburg Municipal Airport (9.9 miles)

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  • Annual Average 2021–2025

    43.2in

  • Monthly Average 2021–2026

    3.6in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 11 September, 2023

    5.1in
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