Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

78°F

26°C

Humidity 82%
Wind Speed SE 9 mph
Barometer 30.05 in (1017.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 13 Jul 5:56 pm EDT
Extended Forecast for

Bayport NY

  • Tonight

    Tonight: Patchy drizzle after 5am.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 71. Southeast wind 5 to 7 mph becoming calm  in the evening.

    Low: 71 °F

    Patchy Fog
    then Patchy
    Drizzle and
    Patchy Fog

  • Monday

    Monday: Patchy drizzle before 8am, then a slight chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 81. Calm wind becoming south 5 to 9 mph in the morning.  Chance of precipitation is 20%.

    High: 81 °F

    Patchy
    Drizzle then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly after 8pm.  Mostly cloudy, with a low around 73. South wind 3 to 6 mph.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 2pm, then a slight chance of showers.  Mostly cloudy, with a high near 83. Calm wind becoming south 5 to 7 mph in the morning.  Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 8pm, then a slight chance of showers after 2am.  Mostly cloudy, with a low around 73. Southwest wind 3 to 6 mph.  Chance of precipitation is 20%.

    Low: 73 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 8pm.  Mostly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Patchy drizzle after 5am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 71. Southeast wind 5 to 7 mph becoming calm in the evening.
Monday
Patchy drizzle before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 20%.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 73. South wind 3 to 6 mph.
Tuesday
A chance of showers and thunderstorms before 2pm, then a slight chance of showers. Mostly cloudy, with a high near 83. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
A slight chance of showers before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 73. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 75.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 76.
Friday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 90.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 73.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 86.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Bayport NY
 40.76°N 73.07°W (Elev. 30 ft)
5:47 pm EDT Jul 13, 2025
6pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database