Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
55°F
13°C
| Humidity | 90% |
| Wind Speed | Calm |
| Barometer | 29.96 in (1014.4 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 14 Apr 3:56 am EDT |
Extended Forecast for
Bay Shore NY
Today
High: 71 °F
Patchy Fog
then Mostly
SunnyTonight

Low: 54 °F
Partly Cloudy
Wednesday
High: 74 °F
Mostly Sunny
then Slight
Chance
ShowersWednesday Night

Low: 54 °F
Chance
ShowersThursday

High: 72 °F
Partly Sunny
Thursday Night

Low: 55 °F
Mostly Cloudy
Friday
High: 70 °F
Mostly Cloudy
then Chance
ShowersFriday Night
Low: 49 °F
Chance
Showers then
Mostly CloudySaturday

High: 60 °F
Partly Sunny
Detailed Forecast
Today
Patchy fog between 7am and 9am. Otherwise, mostly sunny, with a high near 71. Light and variable wind becoming south 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 54. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 74. South wind 5 to 10 mph.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 54. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 72. South wind 5 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 70.
Friday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 61.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 55.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Bay Shore NY
40.71°N 73.25°W (Elev. 13 ft)
40.71°N 73.25°W (Elev. 13 ft)
2:15 am EDT Apr 14, 2026
4am EDT Apr 14, 2026-6pm EDT Apr 20, 2026


