Chichester Reservoir Rainfall Forecast

Today 17 Aug
75%1–5mm
Tue 18 Aug
55%< 2mm
Wed 19 Aug
25%< 1mm
Thu 20 Aug
40%< 1mm
Fri 21 Aug
55%1–5mm
Sat 22 Aug
55%1–5mm
Sun 23 Aug
45%< 2mm

Chichester Reservoir Rainfall Statistics View More

August Rainfall

Upper Chichester (Simmonds) (44km)

Total Rainfall 2026
555mm
Daily Average 2026
2.5mm
Wettest Day 29 May, 2026
103mm
Wet Days 2026
78/229 (34%)
Total Rainfall July
68mm
Daily Average July
2.4mm
Wettest Day 8 July, 2026
13mm
Wet Days July
13/31 (42%)
Total Rainfall August
10mm
Daily Average August
0.6mm
Wettest Day 1 August, 2026
3mm
Wet Days August
5/17 (29%)

Climate (2021–2025)

Upper Chichester (Simmonds) (44km)

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Annual Average 2021–2025
1175.6mm
Monthly Average 2021–2026
114.7mm
Daily Average 2021–2026
3.8mm
Wettest Day 20 May, 2025
171mm

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