Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Overcast
62°F
17°C
| Humidity | 67% |
| Wind Speed | E 10 mph |
| Barometer | 30.22 in (1023.2 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 4 Oct 12:56 pm EDT |
Extended Forecast for
West Sayville NY
This Afternoon
High: 64 °F
Showers
LikelyTonight
Low: 57 °F
Showers then
Mostly CloudyMonday
High: 67 °F
Becoming
SunnyMonday Night
Low: 49 °F
Clear
Tuesday
High: 61 °F
Sunny
Tuesday Night
Low: 53 °F
Clear
Wednesday
High: 65 °F
Sunny
Wednesday Night
Low: 58 °F
Mostly Clear
Thursday
High: 68 °F
Sunny
Detailed Forecast
This Afternoon
Showers likely, mainly after 2pm. Cloudy, with a high near 64. East wind around 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly before 8pm. Low around 57. Northeast wind 5 to 11 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Partly sunny, then gradually becoming sunny, with a high near 67. West wind 8 to 18 mph.
Monday Night
Clear, with a low around 49. Northwest wind around 15 mph.
Tuesday
Sunny, with a high near 61. Northwest wind around 11 mph.
Tuesday Night
Clear, with a low around 53.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
West Sayville NY
40.72°N 73.1°W (Elev. 0 ft)
40.72°N 73.1°W (Elev. 0 ft)
10:11 am EDT Oct 4, 2026
1pm EDT Oct 4, 2026-6pm EDT Oct 10, 2026
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