Building Heat and Monsoon in the West; Comfortable Weather in the East

Monsoonal moisture will produce a marginal threat for flash flooding in the Four Corners region the next few days, while heat gradually builds in the Desert Southwest and portions of California. In much of the central and eastern states, high pressure will provide quiet, comfortable weather for Wednesday. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

66°F

19°C

Humidity 96%
Wind Speed E 7 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 24 Jul 12:56 am EDT
Extended Forecast for

West Sayville NY

  • Overnight

    Overnight: Showers, mainly before 3am.  Low around 67. Northeast wind 6 to 8 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Showers

    Low: 67 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers before 9am.  Partly sunny, with a high near 78. Northeast wind 9 to 11 mph.

    Slight Chance
    Showers then
    Mostly Sunny

    High: 78 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 64. Southeast wind around 6 mph becoming calm  after midnight.

    Partly Cloudy

    Low: 64 °F

  • Thursday

    Thursday: Sunny, with a high near 82. North wind around 6 mph.

    Sunny

    High: 82 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 70. South wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 70 °F

  • Friday

    Friday: Sunny, with a high near 83.

    Sunny

    High: 83 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 70.

    Mostly Clear

    Low: 70 °F

  • Saturday

    Saturday: Sunny, with a high near 84.

    Sunny

    High: 84 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 71.

    Mostly Clear

    Low: 71 °F

Detailed Forecast

Overnight
Showers, mainly before 3am. Low around 67. Northeast wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 20 percent chance of showers before 9am. Partly sunny, with a high near 78. Northeast wind 9 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 64. Southeast wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 82. North wind around 6 mph.
Thursday Night
Mostly clear, with a low around 70. South wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
West Sayville NY
 40.74°N 73.1°W (Elev. 30 ft)
10:32 pm EDT Jul 23, 2019
1am EDT Jul 24, 2019-6pm EDT Jul 30, 2019
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database