National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

68°F

20°C

Humidity 81%
Wind Speed SW 7 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 2 Jun 9:56 pm EDT
Extended Forecast for

Saint James NY

  • Tonight

    Tonight: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 64. Southwest wind 5 to 8 mph.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 82. West wind around 6 mph becoming northeast in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. East wind 5 to 7 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75. East wind 6 to 9 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. Southeast wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Partly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 64. Southwest wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 82. West wind around 6 mph becoming northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 59. East wind 5 to 7 mph.
Tuesday
Sunny, with a high near 75. East wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 59. Southeast wind around 6 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 63.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 63.
Friday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 78.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 75.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 76.
Click Map For Forecast
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Saint James NY
 40.88°N 73.16°W (Elev. 148 ft)
Last Update:
7:28 pm EDT Jun 2, 2024
Forecast Valid:
10pm EDT Jun 2, 2024-6pm EDT Jun 9, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation