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Soliciting Comments through December 31, 2024 on the Experimental NWS Translation Website

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

73°F

23°C

Humidity	51%
Wind Speed	S 10 mph
Barometer	29.88 in (1011.7 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	29 May 5:56 pm EDT

More Information:

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

Extended Forecast for

Port Jefferson NY

Tonight
Low: 59 °F
Showers
Likely
Thursday
High: 66 °F
Chance
Showers then
Slight Chance
Showers
Thursday Night
Low: 57 °F
Partly Cloudy
Friday
High: 69 °F
Sunny
Friday Night
Low: 59 °F
Mostly Clear
Saturday
High: 75 °F
Sunny
Saturday Night
Low: 59 °F
Mostly Clear
Sunday
High: 75 °F
Mostly Sunny
Sunday Night
Low: 62 °F
Partly Cloudy

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Increasing clouds, with a low around 59. Southwest wind around 6 mph becoming north after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A 50 percent chance of showers, mainly before 11am. Partly sunny, with a high near 66. North wind 9 to 13 mph.

Thursday Night

Partly cloudy, with a low around 57. North wind 6 to 8 mph.

Friday

Sunny, with a high near 69. North wind 6 to 10 mph.

Friday Night

Mostly clear, with a low around 59. Southwest wind around 8 mph becoming northwest after midnight.

Saturday

Sunny, with a high near 75.

Saturday Night

Mostly clear, with a low around 59.