Foster Islands Rainfall Forecast

Today 15 Sep
45%< 1mm
Tue 16 Sep
90%5–15mm
Wed 17 Sep
65%< 2mm
Thu 18 Sep
45%< 1mm
Fri 19 Sep
85%5–10mm
Sat 20 Sep
90%10–15mm
Sun 21 Sep
70%1–5mm

Foster Islands Rainfall Statistics View More

September Rainfall

Swan Island (12km)

Total Rainfall 2025
295.6mm
Daily Average 2025
1.2mm
Wettest Day 24 May, 2025
26.2mm
Wet Days 2025
98/258 (38%)
Total Rainfall August
44.4mm
Daily Average August
1.4mm
Wettest Day 30 August, 2025
18.6mm
Wet Days August
16/31 (52%)
Total Rainfall September
23.4mm
Daily Average September
1.7mm
Wettest Day 4 September, 2025
10.2mm
Wet Days September
5/15 (33%)

Climate (2010–Present)

Swan Island (12km)

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Annual Average 2020–2024
534.8mm
Monthly Average 2020–2025
44mm
Daily Average 2020–2025
1.5mm
Wettest Day 4 January, 2021
45.8mm

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