Rain and Ongoing Flood Concerns in Texas

Pockets of moderate to heavy rain will persist in Texas through Friday and perhaps extend into the upcoming weekend. Gulf of Mexico moisture continues to overrun a stationary front to produce waves of precipitation. The most vulnerable location in Texas continues to be the saturated Hill Country in the central portion of the state. Flash Flood Watches are in effect here until Friday morning. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

51°F

11°C

Humidity 29%
Wind Speed NW 16 G 24 mph
Barometer 30.28 in (1025.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 18 Oct 3:56 pm EDT
Extended Forecast for

Port Jefferson NYSimilar City Names

Frost Advisory October 19, 03:00am until October 19, 09:00am
Click here for hazard details and duration
Frost Advisory
  • Tonight

    Tonight: Areas of frost after 5am.  Otherwise, clear, with a low around 39. Northwest wind 8 to 15 mph.

    Clear then
    Areas Frost

    Low: 39 °F

  • Friday

    Friday: Areas of frost before 7am.  Otherwise, sunny, with a high near 61. West wind 11 to 15 mph, with gusts as high as 28 mph.

    Areas Frost
    then Sunny

    High: 61 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers, mainly after midnight.  Increasing clouds, with a low around 51. Southwest wind 16 to 18 mph, with gusts as high as 30 mph.

    Chance
    Showers

    Low: 51 °F

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before noon.  Mostly cloudy, with a high near 64. West wind 14 to 16 mph, with gusts as high as 33 mph.

    Chance
    Showers

    High: 64 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 44. Northwest wind around 15 mph.

    Slight Chance
    Showers

    Low: 44 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 51. Breezy.

    Mostly Sunny
    and Breezy

    High: 51 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 36. Breezy.

    Mostly Clear
    and Breezy
    then Mostly
    Clear

    Low: 36 °F

  • Monday

    Monday: Mostly sunny, with a high near 52.

    Mostly Sunny

    High: 52 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 43.

    Partly Cloudy

    Low: 43 °F

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, clear, with a low around 39. Northwest wind 8 to 15 mph.
Friday
Areas of frost before 7am. Otherwise, sunny, with a high near 61. West wind 11 to 15 mph, with gusts as high as 28 mph.
Friday Night
A 30 percent chance of showers, mainly after midnight. Increasing clouds, with a low around 51. Southwest wind 16 to 18 mph, with gusts as high as 30 mph.
Saturday
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 64. West wind 14 to 16 mph, with gusts as high as 33 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 44. Northwest wind around 15 mph.
Sunday
Mostly sunny, with a high near 51. Breezy.
Sunday Night
Mostly clear, with a low around 36. Breezy.
Monday
Mostly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 54.
Click Map For Forecast
Point Forecast:
Port Jefferson NYSimilar City Names
 40.95°N 73.05°W (Elev. 151 ft)
3:11 pm EDT Oct 18, 2018
4pm EDT Oct 18, 2018-6pm EDT Oct 25, 2018
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database