Swan Island Rainfall Forecast

Today 18 Oct
45%< 1 mm
Mon 19 Oct
40%< 1 mm
Tue 20 Oct
35%< 1 mm
Wed 21 Oct
25%< 1 mm
Thu 22 Oct
40%< 1 mm
Fri 23 Oct
35%< 1 mm
Sat 24 Oct
35%< 1 mm

Swan Island Rainfall Statistics View More

October Rainfall

Williamtown RAAF Base (18 km)

Total Rainfall 2026
702.4 mm
Daily Average 2026
2.4 mm
Wettest Day 29 May, 2026
69.4 mm
Wet Days 2026
134/291 (46%)
Total Rainfall September
33.6 mm
Daily Average September
1.1 mm
Wettest Day 28 September, 2026
18.2 mm
Wet Days September
11/30 (37%)
Total Rainfall October
66.2 mm
Daily Average October
3.9 mm
Wettest Day 14 October, 2026
43.4 mm
Wet Days October
9/18 (50%)

Climate (2021–2025)

Williamtown RAAF Base (18 km)

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Annual Average 2021–2025
1357.5 mm
Monthly Average 2021–2026
102.9 mm
Daily Average 2021–2026
3.4 mm
Wettest Day 23 May, 2025
149 mm

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