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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
46°F
8°C
| Humidity | 83% |
| Wind Speed | SE 3 mph |
| Barometer | 29.97 in (1014.9 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Last update | 11 Mar 5:56 am EDT |
Extended Forecast for
Patchogue NY
Today
High: 63 °F
Partly Sunny
then Chance
ShowersTonight

Low: 41 °F
Chance
Showers and
Areas FogThursday
High: 52 °F⇓
Showers
Likely then
Rain/Snow
LikelyThursday Night

Low: 29 °F
Decreasing
CloudsFriday

High: 46 °F
Increasing
CloudsFriday Night

Low: 35 °F
Decreasing
CloudsSaturday

High: 47 °F
Sunny
Saturday Night

Low: 31 °F
Mostly Cloudy
Sunday

High: 48 °F
Cloudy
Detailed Forecast
Today
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 63. South wind 5 to 11 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 2am. Areas of fog. Otherwise, mostly cloudy, with a low around 41. South wind around 11 mph, with gusts as high as 26 mph.
Thursday
Rain showers likely before 2pm, then a chance of rain and snow showers. Cloudy, with a temperature rising to near 52 by 10am, then falling to around 41 during the remainder of the day. Northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Northwest wind around 7 mph.
Friday
Increasing clouds, with a high near 46. West wind 5 to 15 mph becoming south in the afternoon.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 35.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Cloudy, with a high near 48.
Sunday Night
Showers likely, mainly after 2am. Cloudy, with a low around 39. Chance of precipitation is 70%.
Monday
Showers. High near 54. Chance of precipitation is 90%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 39.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Patchogue NY
40.77°N 73°W (Elev. 43 ft)
40.77°N 73°W (Elev. 43 ft)
5:42 am EDT Mar 11, 2026
6am EDT Mar 11, 2026-6pm EDT Mar 17, 2026


