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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
73°F
23°C
| Humidity | 74% |
| Wind Speed | NE 8 mph |
| Barometer | 30.15 in (1020.8 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 12 Jul 7:56 am EDT |
Extended Forecast for
Belle Terre NY
Today
High: 81 °F
Sunny
Tonight
Low: 67 °F
Clear
Monday
High: 83 °F
Sunny
Monday Night
Low: 70 °F
Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 74 °F
Mostly Clear
Wednesday
High: 91 °F
Sunny
Wednesday Night
Low: 73 °F
Partly Cloudy
Thursday
High: 87 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 81. Northeast wind around 6 mph becoming light and variable in the afternoon.
Tonight
Clear, with a low around 67. South wind 3 to 8 mph.
Monday
Sunny, with a high near 83. Southwest wind 3 to 8 mph.
Monday Night
Clear, with a low around 70. Southwest wind 11 to 13 mph.
Tuesday
Sunny, with a high near 88. Southwest wind 11 to 14 mph.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Belle Terre NY
40.96°N 73.08°W (Elev. 3 ft)
40.96°N 73.08°W (Elev. 3 ft)
7:47 am EDT Jul 12, 2026
8am EDT Jul 12, 2026-6pm EDT Jul 18, 2026
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