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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

55°F

13°C

Humidity	90%
Wind Speed	SW 12 mph
Barometer	29.63 in (1003.1 mb)
Dewpoint	52°F (11°C)
Visibility	9.00 mi
Wind Chill	52°F (11°C)
Last update	12 Mar 1:56 am EDT

More Information:

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

Extended Forecast for

Brentwood NY

Overnight
Low: 48 °F
Chance Rain
and Patchy
Fog
Thursday
High: 54 °F⇓
Rain and
Patchy Fog
then
Rain/Snow and
Breezy
Thursday Night
Low: 30 °F
Rain/Snow
then Mostly
Clear
Friday
High: 45 °F
Increasing
Clouds
Friday Night
Low: 37 °F
Partly Cloudy
Saturday
High: 50 °F
Sunny
Saturday Night
Low: 32 °F
Increasing
Clouds
Sunday
High: 48 °F
Cloudy
Sunday Night
Low: 40 °F
Chance Rain
then Rain

Detailed Forecast

Overnight

A 40 percent chance of rain. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 48. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.

Thursday

Rain before 5pm, then snow, possibly mixed with rain. Patchy fog before 7am. Temperature rising to near 54 by 8am, then falling to around 40 during the remainder of the day. Breezy, with a northwest wind 15 to 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Thursday Night

Snow, possibly mixed with rain before 8pm. Low around 30. Northwest wind 6 to 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday

Increasing clouds, with a high near 45. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

Friday Night

Partly cloudy, with a low around 37. South wind 10 to 13 mph, with gusts as high as 28 mph.

Saturday

Sunny, with a high near 50.

Saturday Night

Increasing clouds, with a low around 32.

Sunday

Cloudy, with a high near 48.

Sunday Night

Rain, mainly after 2am. Low around 40. Chance of precipitation is 80%.