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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.

Fog/Mist

60°F

16°C

Humidity	96%
Wind Speed	SE 14 mph
Barometer	29.85 in (1010.8 mb)
Dewpoint	59°F (15°C)
Visibility	6.00 mi
Last update	9 May 12:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Port Jefferson NY

Flood Watch May 9, 01:24pm until May 10, 01:00am

Flood Advisory until May 9, 02:30pm

Click here for hazard details and duration

Flood Watch

...

Flood Watch May 9, 01:24pm until May 10, 01:00am
Flood Advisory until May 9, 02:30pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 57 °F
Heavy Rain
Tonight
Low: 51 °F
Showers then
Chance
Showers
Saturday
High: 67 °F
Mostly Sunny
Saturday Night
Low: 54 °F
Mostly Clear
Sunday
High: 69 °F
Sunny
Sunday Night
Low: 51 °F
Clear
Monday
High: 69 °F
Sunny
Monday Night
Low: 56 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Rain and possibly a thunderstorm before 2pm, then showers after 2pm. Some of the storms could produce heavy rainfall. Steady temperature around 57. East wind around 11 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Showers and thunderstorms before 11pm, then a chance of showers. Low around 51. Southeast wind 8 to 10 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Mostly sunny, with a high near 67. West wind around 14 mph.

Saturday Night

Mostly clear, with a low around 54. West wind 7 to 9 mph.

Sunday

Sunny, with a high near 69. Northwest wind 7 to 9 mph.

Sunday Night

Clear, with a low around 51.

Monday

Sunny, with a high near 69.

Monday Night

Partly cloudy, with a low around 56.