0in

Rain Today

Rain Last Hour
0in

Recorded at Islip, Long Island Mac Arthur Airport Updated 45 mins ago (10.9 miles away)

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Real-Time Extremes

Hottest 96.7 °F
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Coldest 17.5 °F
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Windiest 35.6mph
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Wettest (Last Hour) 0.8in
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Most Humid 100%
North Palm Beach County General Aviation Airport, FL
Least Humid 10%
Rock Springs, Rock Springs-Sweetwater County Airport, WY
Highest Pressure 1043.3 hPa
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Lowest Pressure 983.7 hPa
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Trending Locations

Portola, CA 96122

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Port Jefferson Rainfall Forecast

Today 3 Oct
10%
Sun 4 Oct
55%
Mon 5 Oct
30%
Tue 6 Oct
No Rain
Wed 7 Oct
No Rain
Thu 8 Oct
No Rain
Fri 9 Oct
No Rain

Port Jefferson Rainfall Statistics

October Rainfall

Islip, Long Island Mac Arthur Airport (10.6 miles)

Total Rainfall 2026
39.9in
Daily Average 2026
0.1in
Wettest Day 20 August, 2026
3.3in
Wet Days 2026
105/276 (38%)
Total Rainfall September
8.8in
Daily Average September
0.3in
Wettest Day 13 September, 2026
3.1in
Wet Days September
12/30 (40%)
Total Rainfall October
0in
Daily Average October
0in
Wettest Day 1 October, 2026
0in
Wet Days October
–

Climate (2021–2025)

Islip, Long Island Mac Arthur Airport (10.6 miles)

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Annual Average 2021–2025
44.1in
Monthly Average 2021–2026
3.7in
Daily Average 2021–2026
0.1in
Wettest Day 16 July, 2023
4.6in

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