0in

Rain Today

Rain Last Hour
0in

Recorded at Islip, Long Island Mac Arthur Airport Updated 39 mins ago (6.7 miles away)

Get WillyWeather+ to remove ads

Real-Time Extremes

Hottest 91.3 °F
Choluteca, FL
Coldest -41.9 °F
Northway, Northway Airport, AK
Windiest 61.1mph
Mount Washington, NH
Wettest (Last Hour) 0.2in
Seattle, Seattle-Tacoma International Airport, WA
Most Humid 100%
Hobby Field Airport, OR
Least Humid 9%
Roswell International Air Center Airport, NM
Highest Pressure 1037.9 hPa
Adak Island, Adak Airport, AK
Lowest Pressure 964 hPa
Narsarsuaq, ME

Trending Locations

Get WillyWeather+ to remove ads

Smithtown Rainfall Forecast

Today 16 Dec
5%
Wed 17 Dec
5%
Thu 18 Dec
5%
Fri 19 Dec
95%
Sat 20 Dec
5%
Sun 21 Dec
10%
Mon 22 Dec
10%

Smithtown Rainfall Statistics

December Rainfall

Islip, Long Island Mac Arthur Airport (6.2 miles)

Total Rainfall 2025
34in
Daily Average 2025
0.1in
Wettest Day 31 July, 2025
2.9in
Wet Days 2025
111/350 (32%)
Total Rainfall November
2in
Daily Average November
0.1in
Wettest Day 25 November, 2025
0.7in
Wet Days November
10/30 (33%)
Total Rainfall December
1.6in
Daily Average December
0.1in
Wettest Day 2 December, 2025
1.3in
Wet Days December
4/16 (25%)

Climate (2010–Present)

Islip, Long Island Mac Arthur Airport (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

Annual Average 2020–2024
45.6in
Monthly Average 2020–2025
3.7in
Daily Average 2020–2025
0.1in
Wettest Day 16 July, 2023
4.6in

Get WillyWeather+ to remove ads