0in

Rain Today

Rain Last Hour
0in

Recorded at Islip, Long Island Mac Arthur Airport Updated 50 mins ago (9.3 miles away)

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Real-Time Extremes

Hottest 96.7 °F
Port-Au-Prince / Aeroport International, PR
Coldest -32.9 °F
LaGrange-Callaway Airport, GA
Windiest 36.9mph
Shemya, Eareckson AFB, AK
Wettest (Last Hour) 0.4in
Virginia Beach, Oceana, Naval Air Station, VA
Most Humid 100%
Delaware Airpark, DE
Least Humid 13%
Nellis AFB - Indian Springs Auxiliary Airfield, NV
Highest Pressure 1040.6 hPa
Salida - Monarch Pass, CO
Lowest Pressure 985.1 hPa
Shemya, Eareckson AFB, AK

Trending Locations

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Stony Brook Rainfall Forecast

Today 16 Sep
15%
Wed 17 Sep
55%
Thu 18 Sep
55%
Fri 19 Sep
5%
Sat 20 Sep
No Rain
Sun 21 Sep
No Rain
Mon 22 Sep
10%

Stony Brook Rainfall Statistics

September Rainfall

Islip, Long Island Mac Arthur Airport (8.7 miles)

Total Rainfall 2025
24.9in
Daily Average 2025
0.1in
Wettest Day 31 July, 2025
2.9in
Wet Days 2025
86/259 (33%)
Total Rainfall August
0.5in
Daily Average August
0.02in
Wettest Day 20 August, 2025
0.3in
Wet Days August
5/31 (16%)
Total Rainfall September
1.1in
Daily Average September
0.1in
Wettest Day 7 September, 2025
0.4in
Wet Days September
4/16 (25%)

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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