The Old Mans Hat Rainfall Forecast

Today 18 Aug
60%< 2mm
Wed 19 Aug
20%< 1mm
Thu 20 Aug
45%< 1mm
Fri 21 Aug
65%1–5mm
Sat 22 Aug
50%< 2mm
Sun 23 Aug
30%< 1mm
Mon 24 Aug
35%< 1mm

The Old Mans Hat Rainfall Statistics View More

August Rainfall

Sydney (Observatory Hill) (9km)

Total Rainfall 2026
735.8mm
Daily Average 2026
3.2mm
Wettest Day 18 January, 2026
126.8mm
Wet Days 2026
106/230 (46%)
Total Rainfall July
85.4mm
Daily Average July
2.8mm
Wettest Day 17 July, 2026
31.2mm
Wet Days July
11/31 (35%)
Total Rainfall August
38mm
Daily Average August
2.2mm
Wettest Day 17 August, 2026
17.2mm
Wet Days August
7/18 (39%)

Climate (2021–2025)

Sydney (Observatory Hill) (9km)

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Annual Average 2021–2025
1594.6mm
Monthly Average 2021–2026
130.6mm
Daily Average 2021–2026
4.3mm
Wettest Day 2 June, 2024
142.6mm

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