Sayville Rainfall Forecast

Today 18 Jul
90%
Sun 19 Jul
80%
Mon 20 Jul
No Rain
Tue 21 Jul
55%
Wed 22 Jul
95%
Thu 23 Jul
35%
Fri 24 Jul
15%

Sayville Rainfall Statistics

July Rainfall

Islip, Long Island Mac Arthur Airport (3.7 miles)

Total Rainfall 2026
19.4in
Daily Average 2026
0.1in
Wettest Day 6 July, 2026
2.5in
Wet Days 2026
76/199 (38%)
Total Rainfall June
0.8in
Daily Average June
0.03in
Wettest Day 15 June, 2026
0.2in
Wet Days June
12/30 (40%)
Total Rainfall July
3.8in
Daily Average July
0.2in
Wettest Day 6 July, 2026
2.5in
Wet Days July
5/18 (28%)

Climate (2021–2025)

Islip, Long Island Mac Arthur Airport (3.7 miles)

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Annual Average 2021–2025
44.1in
Monthly Average 2021–2026
3.6in
Daily Average 2021–2026
0.1in
Wettest Day 16 July, 2023
4.6in

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