Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
37°F
3°C
| Humidity | 82% |
| Wind Speed | Calm |
| Barometer | 30.63 in (1037.3 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 9 Apr 7:56 am EDT |
Extended Forecast for
Bay Shore NY
Today

High: 49 °F
Decreasing
CloudsTonight
Low: 38 °F
Mostly Clear
then Patchy
FogFriday
High: 56 °F
Patchy Fog
then Mostly
SunnyFriday Night

Low: 43 °F
Mostly Cloudy
Saturday

High: 60 °F
Becoming
SunnySaturday Night

Low: 41 °F
Mostly Clear
Sunday

High: 54 °F
Mostly Sunny
Sunday Night

Low: 44 °F
Mostly Cloudy
Monday

High: 63 °F
Mostly Cloudy
Detailed Forecast
Today
Mostly cloudy, then gradually becoming sunny, with a high near 49. South wind 6 to 13 mph.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 38. South wind 5 to 9 mph becoming calm after midnight.
Friday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 56. Light southwest wind becoming south 8 to 13 mph in the morning.
Friday Night
Mostly cloudy, with a low around 43. South wind 8 to 11 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 60. Northwest wind 8 to 10 mph.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly cloudy, with a high near 63.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Partly sunny, with a high near 69.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Bay Shore NY
40.73°N 73.25°W (Elev. 13 ft)
40.73°N 73.25°W (Elev. 13 ft)
6:37 am EDT Apr 9, 2026
8am EDT Apr 9, 2026-6pm EDT Apr 15, 2026


