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Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

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

More Information:

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

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-storms
Wednesday Night
Low: 66 °F
Chance
T-storms
Thursday
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.