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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
79°F
26°C
| Humidity | 58% |
| Wind Speed | SE 13 mph |
| Barometer | 30.13 in (1020.1 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 16 Aug 11:56 am EDT |
Extended Forecast for
Patchogue NYSimilar City Names
This Afternoon

High: 80 °F
Mostly Sunny
Tonight

Low: 68 °F
Showers
Monday
High: 82 °F
Showers then
Chance
ShowersMonday Night

Low: 69 °F
Partly Cloudy
Tuesday

High: 84 °F
Mostly Sunny
Tuesday Night

Low: 69 °F
Mostly Clear
Wednesday

High: 83 °F
Sunny
Wednesday Night
Low: 71 °F
Partly Cloudy
then Chance
ShowersThursday

High: 80 °F
Chance
Showers
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 80. South wind 9 to 13 mph.
Tonight
Showers likely, then showers and possibly a thunderstorm after 2am. Low around 68. South wind 11 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and possibly a thunderstorm before 11am, then a chance of showers between 11am and 2pm. High near 82. South wind 9 to 13 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 69. Calm wind becoming north around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 84. North wind around 6 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 83.
Wednesday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 71.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 78.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 66.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Patchogue NYSimilar City Names
40.77°N 73°W (Elev. 43 ft)
40.77°N 73°W (Elev. 43 ft)
2:19 am EDT Aug 16, 2026
12pm EDT Aug 16, 2026-6pm EDT Aug 22, 2026


