Cold Temperatures and Some Snow

A strong cold front and low pressure system will press from the Central U.S. through the East over the next couple of days. The impressive cold front will allow a cold air mass to settle in east of the Rockies and numerous record low temperatures are likely the next few days, especially Wednesday morning. A streak of snow is also expected from the central Plains to northern New England. Read More >

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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

65°F

18°C

Humidity	52%
Wind Speed	SW 12 mph
Barometer	29.94 in (1013.6 mb)
Dewpoint	47°F (8°C)
Visibility	10.00 mi
Last update	20 Apr 12:56 pm EDT

More Information:

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

Extended Forecast for

2 Miles NNW Stony Brook NY

This
Afternoon

Mostly Sunny
High: 71 °F
Tonight

Partly Cloudy
Low: 51 °F
Wednesday

Slight Chance
Showers then
Showers
Likely
High: 63 °F
Wednesday
Night

Breezy.
Showers then
Mostly Clear
Low: 35 °F
Thursday

Mostly Sunny
and Breezy
High: 53 °F
Thursday
Night

Partly Cloudy
and Breezy
Low: 40 °F
Friday

Sunny
High: 62 °F
Friday
Night

Mostly Clear
Low: 46 °F
Saturday

Mostly Sunny
High: 64 °F

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 71. Southwest wind 13 to 15 mph.

Tonight

Partly cloudy, with a low around 51. South wind 10 to 13 mph.

Wednesday

A chance of showers, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 63. South wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 11pm. Low around 35. Breezy, with a west wind 17 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Mostly sunny, with a high near 53. Breezy, with a west wind around 23 mph, with gusts as high as 36 mph.

Thursday Night

Partly cloudy, with a low around 40. Breezy.

Friday

Sunny, with a high near 62.

Friday Night

Mostly clear, with a low around 46.

Saturday

Mostly sunny, with a high near 64.

Saturday Night

Rain likely, mainly after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.