Heavy to Excessive Rain for Southeast and Mid-Atlantic into this Weekend; High Winds in the Pacific Northwest Friday

Another southern storm system will bring heavy to excessive rainfall with a risk for severe thunderstorms from the central Gulf Coast to the Southeast Friday. This heavy rainfall will then spread across the Mid-Atlantic region late Friday into the Weekend. A strong cold front moving into the Pacific Northwest will bring strong, possibly damaging winds to the coast Friday. Read More >

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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

42°F

6°C

Humidity	89%
Wind Speed	E 3 mph
Barometer	30.50 in (1032.8 mb)
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Last update	14 Dec 8:56 am EST

More Information:

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

Extended Forecast for

Port Jefferson NY

Today

Patchy
Drizzle
High: 50 °F
Tonight

Rain Likely
Low: 44 °F
Saturday

Rain Likely
then Chance
Rain
High: 50 °F
Saturday
Night

Chance Rain
and Breezy
Low: 39 °F
Sunday

Rain Likely
High: 43 °F
Sunday
Night

Chance Rain
Low: 36 °F
Monday

Decreasing
Clouds
High: 44 °F
Monday
Night

Partly Cloudy
and Blustery
Low: 30 °F
Tuesday

Mostly Sunny
and Breezy
High: 35 °F

Detailed Forecast

Today

Patchy drizzle with a slight chance of light rain. Cloudy, with a high near 50. Southeast wind 7 to 9 mph.

Tonight

Patchy drizzle with a slight chance of light rain before 9pm, then a chance of light rain between 9pm and midnight, then rain likely after midnight. Cloudy, with a low around 44. South wind 5 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday

Rain likely, mainly before noon. Cloudy, with a high near 50. East wind 5 to 11 mph becoming northeast in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 39. Wind chill values between 30 and 35. Breezy, with a northeast wind 11 to 21 mph.

Sunday

Rain likely. Mostly cloudy, with a high near 43. Northeast wind 15 to 18 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

A chance of rain before 3am, then a chance of showers after 3am. Cloudy, with a low around 36. Chance of precipitation is 50%.

Monday

Cloudy, then gradually becoming mostly sunny, with a high near 44.

Monday Night

Partly cloudy, with a low around 30. Blustery.

Tuesday

Mostly sunny, with a high near 35. Breezy.

Tuesday Night

Mostly clear, with a low around 26.

Wednesday

Sunny, with a high near 39.