Areas of Severe Thunderstorms and Heavy Rain Possible through the Weekend

There will be daily chances for scattered thunderstorms across portions of the Central and Eastern U.S. through the weekend, with severe thunderstorms possible in the northern Plains and Upper Midwest. Potential severe storm hazards may include large hail, damaging winds, and a few tornadoes. Storms could also produce heavy rain that may lead to isolated instances of flash flooding. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

74°F

23°C

Humidity	91%
Wind Speed	SW 8 mph
Barometer	29.97 in (1015.0 mb)
Dewpoint	71°F (22°C)
Visibility	9.00 mi
Last update	28 Jun 10:56 pm EDT

More Information:

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

Extended Forecast for

Islip NY

Tonight
Low: 70 °F
Isolated
Showers and
Patchy Fog
Sunday
High: 87 °F
Mostly Sunny
Sunday Night
Low: 69 °F
Partly Cloudy
Monday
High: 86 °F
Mostly Sunny
Monday Night
Low: 71 °F
Slight Chance
T-storms then
Chance
Showers
Tuesday
High: 85 °F
Chance
Showers then
Showers
Likely
Tuesday Night
Low: 70 °F
Showers
Likely
Wednesday
High: 85 °F
Mostly Sunny
Wednesday Night
Low: 70 °F
Mostly Clear

Detailed Forecast

Tonight

Isolated showers. Patchy fog. Otherwise, mostly cloudy, with a low around 70. Southwest wind around 6 mph. Chance of precipitation is 20%.

Sunday

Mostly sunny, with a high near 87. Southwest wind 5 to 8 mph.

Sunday Night

Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.

Monday

Mostly sunny, with a high near 86. Calm wind becoming south 5 to 8 mph in the afternoon.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 71. South wind around 7 mph.

Tuesday

A chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Wednesday

Mostly sunny, with a high near 85.

Wednesday Night

Mostly clear, with a low around 70.

Thursday

Sunny, with a high near 86.

Thursday Night

Partly cloudy, with a low around 68.

Independence Day

Sunny, with a high near 83.

Friday Night

Partly cloudy, with a low around 67.