Northwest Rock Rainfall Forecast

Today 18 May
100%> 100mm
Tue 19 May
95%20–30mm
Wed 20 May
40%< 1mm
Thu 21 May
65%1–5mm
Fri 22 May
70%5–10mm
Sat 23 May
85%5–10mm
Sun 24 May
65%1–5mm

Northwest Rock Rainfall Statistics View More

May Rainfall

Grafton Airport (38km)

Total Rainfall 2026
267.2mm
Daily Average 2026
2mm
Wettest Day 13 February, 2026
39.2mm
Wet Days 2026
52/138 (38%)
Total Rainfall April
32mm
Daily Average April
1.1mm
Wettest Day 27 April, 2026
11.6mm
Wet Days April
9/30 (30%)
Total Rainfall May
65.8mm
Daily Average May
3.9mm
Wettest Day 2 May, 2026
16.6mm
Wet Days May
12/18 (67%)

Climate (2010–Present)

Grafton Airport (38km)

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Annual Average 2021–2025
1358.2mm
Monthly Average 2021–2026
102.5mm
Daily Average 2021–2026
3.4mm
Wettest Day 8 March, 2025
163.4mm

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