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

66°F

19°C

Humidity 68%
Wind Speed SE 12 mph
Barometer 30.19 in (1022.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 25 Sep 12:56 pm EDT
Extended Forecast for

Saint James NY

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 2pm. Cloudy, with a high near 67. East wind around 11 mph.

    High: 67 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 8pm and 11pm. Cloudy, with a low around 62. Southeast wind 8 to 10 mph.

    Low: 62 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 74. Southeast wind 9 to 13 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Cloudy, with a low around 65. South wind 5 to 9 mph becoming northwest after midnight. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 74. North wind around 6 mph.

    High: 74 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 2pm. Cloudy, with a high near 67. East wind around 11 mph.
Tonight
A 30 percent chance of showers, mainly between 8pm and 11pm. Cloudy, with a low around 62. Southeast wind 8 to 10 mph.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 74. Southeast wind 9 to 13 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Cloudy, with a low around 65. South wind 5 to 9 mph becoming northwest after midnight. Chance of precipitation is 50%.
Friday
A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 74. North wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 72.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 71.
Click Map For Forecast
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ABOUT THIS FORECAST

 
Point Forecast:
Saint James NY
 40.88°N 73.16°W (Elev. 148 ft)
Last Update:
10:34 am EDT Sep 25, 2024
Forecast Valid:
1pm EDT Sep 25, 2024-6pm EDT Oct 1, 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