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Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.![](newimages/large/few.png)
A Few Clouds
78°F
26°C
Humidity | 69% |
Wind Speed | NW 6 mph |
Barometer | 30.13 in (1020.1 mb) |
Dewpoint | 67°F (19°C) |
Visibility | 10.00 mi |
Heat Index | 80°F (27°C) |
Last update | 27 Aug 10:56 am EDT |
Extended Forecast for
Port Jefferson NYSimilar City Names
Today
High: 83 °F
Mostly Sunny
Tonight
Low: 70 °F
Mostly Clear
Wednesday
High: 89 °F
Mostly Sunny
then Chance
T-stormsWednesday Night
Low: 66 °F
Chance
T-stormsThursday
High: 74 °F
Partly Sunny
Thursday Night
Low: 62 °F
Partly Cloudy
Friday
High: 74 °F
Mostly Sunny
Friday Night
Low: 64 °F
Mostly Cloudy
Saturday
High: 76 °F
Mostly Cloudy
then Chance
Showers
Detailed Forecast
Today
Mostly sunny, with a high near 83. Light and variable wind becoming south around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 70. Southwest wind around 8 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Southwest wind around 10 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 66. West wind 7 to 10 mph becoming northeast after midnight.
Thursday
Partly sunny, with a high near 74. Northeast wind 10 to 13 mph.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly cloudy, with a low around 64.
Saturday
A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 76.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 66.
Labor Day
Mostly sunny, with a high near 78.
Additional Forecasts and Information
Click Map For Forecast
ABOUT THIS FORECAST
Point Forecast:
Port Jefferson NYSimilar City Names
40.95°N 73.05°W (Elev. 151 ft)
40.95°N 73.05°W (Elev. 151 ft)
9:07 am EDT Aug 27, 2024
11am EDT Aug 27, 2024-6pm EDT Sep 2, 2024