0in

Rain Today

Rain Last Hour
0in

Recorded at Islip, Long Island Mac Arthur Airport Updated 22 mins ago (10.9 miles away)

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Real-Time Extremes

Hottest 87.7 °F
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Coldest -45.5 °F
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Windiest 78.3mph
Mount Washington, NH
Wettest (Last Hour) 0.6in
Atka, Atka Airport, AK
Most Humid 100%
Echo, MT
Least Humid 14%
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Highest Pressure 1031.5 hPa
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Lowest Pressure 980 hPa
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Port Jefferson Rainfall Forecast

Today 9 Feb
No Rain
Tue 10 Feb
20%
Wed 11 Feb
30%
Thu 12 Feb
No Rain
Fri 13 Feb
No Rain
Sat 14 Feb
10%
Sun 15 Feb
35%

Port Jefferson Rainfall Statistics

February Rainfall

Islip, Long Island Mac Arthur Airport (10.6 miles)

Total Rainfall 2026
2.6in
Daily Average 2026
0.1in
Wettest Day 25 January, 2026
1.1in
Wet Days 2026
13/40 (33%)
Total Rainfall January
2.6in
Daily Average January
0.1in
Wettest Day 25 January, 2026
1.1in
Wet Days January
11/31 (35%)
Total Rainfall February
0.04in
Daily Average February
0.01in
Wettest Day 7 February, 2026
0.02in
Wet Days February
2/9 (22%)

Climate (2010–Present)

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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