Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
61°F
16°C
| Humidity | 70% |
| Wind Speed | Calm |
| Barometer | 29.82 in (1009.6 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 21 Jun 4:56 am EDT |
Extended Forecast for
5 Miles SSE Bayport NY
Today

High: 77 °F
Sunny
Tonight

Low: 66 °F
Partly Cloudy
Monday

High: 73 °F
Showers
LikelyMonday Night

Low: 67 °F
Showers and
BreezyTuesday

High: 78 °F
Showers
LikelyTuesday Night
Low: 67 °F
Chance
Showers then
Mostly ClearWednesday

High: 76 °F
Sunny
Wednesday Night

Low: 68 °F
Mostly Clear
Thursday

High: 76 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 77. Light and variable wind becoming south 8 to 13 mph in the morning.
Tonight
Partly cloudy, with a low around 66. Southwest wind 5 to 7 mph becoming calm in the evening.
Monday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 73. Southeast wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 67. Breezy, with a southwest wind 15 to 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 78. North wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 67.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 76.
Thursday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 68.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 75.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SSE Bayport NY
40.68°N 73.02°W (Elev. 0 ft)
40.68°N 73.02°W (Elev. 0 ft)
2:19 am EDT Jun 21, 2026
5am EDT Jun 21, 2026-6pm EDT Jun 27, 2026



