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Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
74°F
23°C
| Humidity | 74% |
| Wind Speed | SW 8 mph |
| Barometer | 29.95 in (1014.2 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 20 May 7:56 am EDT |
Extended Forecast for
Bayport NY
Today
High: 79 °F
Sunny then
Chance
T-stormsTonight
Low: 57 °F
Showers
Likely then
Chance
ShowersThursday

High: 66 °F
Showers
LikelyThursday Night

Low: 52 °F
Mostly Cloudy
Friday

High: 64 °F
Partly Sunny
Friday Night
Low: 51 °F
Cloudy then
Chance
ShowersSaturday

High: 60 °F
Showers
Saturday Night

Low: 51 °F
Showers
Sunday

High: 62 °F
Showers
Likely
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 79. Southwest wind 8 to 14 mph.
Tonight
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 57. Light and variable wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 66. North wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 52. Light and variable wind.
Friday
Partly sunny, with a high near 64. East wind 8 to 11 mph.
Friday Night
A 50 percent chance of showers after 2am. Cloudy, with a low around 51.
Saturday
Showers, mainly after 8am. High near 60. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 51. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 2pm. Cloudy, with a high near 62. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers. Cloudy, with a low around 53.
Memorial Day
A 50 percent chance of showers. Mostly cloudy, with a high near 67.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Tuesday
Mostly cloudy, with a high near 70.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Bayport NY
40.73°N 73.04°W (Elev. 0 ft)
40.73°N 73.04°W (Elev. 0 ft)
2:20 am EDT May 20, 2026
8am EDT May 20, 2026-6pm EDT May 26, 2026



