Three Weather Areas of Concern Today

Potential Tropical Cyclone Three will gradually approach the northern Gulf Coast with heavy rain and potential flooding. Meanwhile, a sharp cold front will produce severe thunderstorms with significant winds, hail, tornadoes and possible flooding across the Ohio Valley. Finally, a large dome of high pressure will continue the major heat wave over the West, extending into the central Plains. 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

78°F

26°C

Humidity	36%
Wind Speed	SW 14 G 22 mph
Barometer	30.02 in (1016.4 mb)
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	18 Jun 10:56 am EDT

More Information:

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

Extended Forecast for

West Sayville NY

Today

Mostly Sunny
High: 78 °F
Tonight

Chance
Showers
Low: 65 °F
Saturday

Chance
Showers then
Slight Chance
T-storms
High: 82 °F
Saturday
Night

Chance
T-storms
Low: 66 °F
Sunday

Sunny
High: 82 °F
Sunday
Night

Partly Cloudy
Low: 67 °F
Monday

Partly Sunny
High: 82 °F
Monday
Night

Chance
Showers
Low: 67 °F
Tuesday

Showers
Likely
High: 80 °F

Detailed Forecast

Today

Mostly sunny, with a high near 78. Southwest wind 10 to 15 mph.

Tonight

A slight chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 65. Southwest wind 9 to 15 mph. Chance of precipitation is 40%.

Saturday

A 30 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 82. Southwest wind 11 to 13 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms before 3am. Partly cloudy, with a low around 66. Southwest wind 6 to 8 mph.

Sunday

Sunny, with a high near 82. Southwest wind 9 to 11 mph.

Sunday Night

Partly cloudy, with a low around 67.

Monday

Partly sunny, with a high near 82.

Monday Night

A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 67.

Tuesday

Showers likely, mainly after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.

Tuesday Night

A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

Wednesday

Mostly sunny, with a high near 75.

Wednesday Night

Mostly clear, with a low around 60.

Thursday

Sunny, with a high near 76.