Grahamstown Lake Rainfall Forecast

  • 90%5–10mm
  • 75%1–5mm
  • 10%< 1mm
  • 20%< 1mm
  • 25%< 1mm
  • 35%< 1mm
  • 20%< 1mm
Graph Plots Open in Graphs

  • Rainfall Probability Forecast Bureau of Meteorology

  • Rain Today Real-Time

River Levels

Graph Plots Open in Graphs

  • Raymond Terrace (Hunter River) 6.3km

  • Green Rocks (Hunter River) 10.6km

  • Seaham 11.7km

  • Hexham Bridge (Hunter River) 14.7km

Grahamstown Lake Rainfall Statistics View More

May Rainfall

Williamtown RAAF Base (5km)

  • Total Rainfall May

    479.8mm

  • Daily Average May

    19.2mm

  • Wettest Day 23 May, 2025

    149mm

  • Wet Days May

    20/26 (77%)

Climate (2010–Present)

Williamtown RAAF Base (5km)

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  • Annual Average 2020–2024

    1285.5mm

  • Monthly Average 2020–2025

    110.6mm

  • Daily Average 2020–2025

    3.9mm

  • Wettest Day 23 May, 2025

    149mm
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