Green Belt Park Rainfall Forecast

Today 15 May
No Rain
Sat 16 May
No Rain
Sun 17 May
No Rain
Mon 18 May
No Rain
Tue 19 May
No Rain
Wed 20 May
No Rain
Thu 21 May
No Rain

Green Belt Park Rainfall Statistics

May Rainfall

Hayward, Hayward Air Terminal (3.7 miles)

Total Rainfall 2026
11.5in
Daily Average 2026
0.1in
Wettest Day 4 January, 2026
1.6in
Wet Days 2026
29/135 (21%)
Total Rainfall April
4.4in
Daily Average April
0.1in
Wettest Day 20 April, 2026
1.4in
Wet Days April
10/30 (33%)
Total Rainfall May
0.1in
Daily Average May
0in
Wettest Day 5 May, 2026
0.1in
Wet Days May
1/15 (7%)

Climate (2010–Present)

Hayward, Hayward Air Terminal (3.7 miles)

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Annual Average 2021–2025
19.4in
Monthly Average 2021–2026
1.7in
Daily Average 2021–2026
0.1in
Wettest Day 31 December, 2022
4.3in

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