


Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Overcast
54°F
12°C
Humidity | 80% |
Wind Speed | E 9 mph |
Barometer | 30.03 in (1016.8 mb) |
Dewpoint | 48°F (9°C) |
Visibility | 10.00 mi |
Wind Chill | 51°F (11°C) |
Last update | 21 May 1:56 am EDT |
Extended Forecast for
Islip Terrace NY
Overnight
Low: 52 °F
Slight Chance
SprinklesWednesday
High: 57 °F
Chance Rain
then Rain
LikelyWednesday Night
Low: 50 °F
Rain and
BreezyThursday
High: 59 °F
Rain
Thursday Night
Low: 47 °F
Showers
LikelyFriday
High: 61 °F
Mostly Cloudy
then Chance
ShowersFriday Night
Low: 49 °F
Chance
ShowersSaturday
High: 64 °F
Partly Sunny
Saturday Night
Low: 50 °F
Partly Cloudy
Detailed Forecast
Overnight
A slight chance of sprinkles. Cloudy, with a low around 52. East wind around 8 mph.
Wednesday
A slight chance of showers before 8am, then rain likely, mainly after 2pm. Cloudy, with a high near 57. East wind 11 to 17 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 50. Breezy, with an east wind 15 to 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain and possibly a thunderstorm. High near 59. East wind 15 to 18 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Rain likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and midnight, then a chance of showers after midnight. Cloudy, with a low around 47. North wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 61.
Friday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 52.
Memorial Day
Mostly sunny, with a high near 69.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 69.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Islip Terrace NY
40.75°N 73.18°W (Elev. 30 ft)
40.75°N 73.18°W (Elev. 30 ft)
8:54 pm EDT May 20, 2025
2am EDT May 21, 2025-6pm EDT May 27, 2025