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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
31°F
-1°C
| Humidity | 69% |
| Wind Speed | NE 3 mph |
| Barometer | 30.39 in (1029.2 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Last update | 15 Mar 3:56 am EDT |
Extended Forecast for
5 Miles SSE Blue Point NY
Today

High: 44 °F
Partly Sunny
Tonight
Low: 40 °F⇑
Slight Chance
Showers and
Breezy then
Showers and
Patchy FogMonday

High: 52 °F
Intermittent
T-storms and
Areas FogMonday Night

Low: 36 °F
Heavy Rain
and Very
WindyTuesday
High: 39 °F
Chance
Showers and
Windy then
Sunny and
BreezyTuesday Night

Low: 27 °F
Partly Cloudy
and WindyWednesday

High: 35 °F
Increasing
CloudsWednesday Night

Low: 32 °F
Mostly Cloudy
Thursday

High: 41 °F
Partly Sunny
Detailed Forecast
Today
Partly sunny, with a high near 44. Northeast wind 8 to 15 mph becoming southeast in the afternoon.
Tonight
Showers, with thunderstorms also possible after 5am. Patchy fog after 2am. Temperature falling to near 40 by 8pm, then rising to around 45 during the remainder of the night. Windy, with an east wind 16 to 21 mph increasing to 24 to 29 mph after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Intermittent showers and thunderstorms. Areas of fog before noon. Otherwise, cloudy, with a high near 52. Windy, with a south wind 31 to 36 mph, with gusts as high as 47 mph. Chance of precipitation is 50%.
Monday Night
Periods of showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 36. Very windy, with a south wind 38 to 47 mph becoming west after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 39. Windy, with a west wind 25 to 29 mph.
Tuesday Night
Partly cloudy, with a low around 27. Windy.
Wednesday
Increasing clouds, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 41.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 44.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37. Breezy.
Saturday
A 50 percent chance of rain. Partly sunny, with a high near 44. Breezy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SSE Blue Point NY
40.68°N 72.99°W (Elev. 0 ft)
40.68°N 72.99°W (Elev. 0 ft)
3:46 am EDT Mar 15, 2026
4am EDT Mar 15, 2026-6pm EDT Mar 21, 2026


