Stony Brook Rainfall Forecast

Today 2 Jul
100%
Thu 3 Jul
10%
Fri 4 Jul
5%
Sat 5 Jul
No Rain
Sun 6 Jul
5%
Mon 7 Jul
20%
Tue 8 Jul
35%

Stony Brook Rainfall Statistics

July Rainfall

Islip, Long Island Mac Arthur Airport (8.7 miles)

Total Rainfall 2025
17.6in
Daily Average 2025
0.1in
Wettest Day 22 May, 2025
1.5in
Wet Days 2025
65/183 (36%)
Total Rainfall June
1.9in
Daily Average June
0.1in
Wettest Day 14 June, 2025
0.6in
Wet Days June
11/30 (37%)
Total Rainfall July
–
Daily Average July
–
Wettest Day 2 July, 2025
–
Wet Days July
–

Climate (2010–Present)

Islip, Long Island Mac Arthur Airport (8.7 miles)

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Annual Average 2020–2024
45.6in
Monthly Average 2020–2025
3.8in
Daily Average 2020–2025
0.1in
Wettest Day 16 July, 2023
4.6in

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