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

Flash Flood Concerns in Mid-Atlantic, Severe Weather Threats in Upper Midwest, and Fire Weather in the West

Once again, heavy rain and thunderstorms may produce flash flooding across the Mid-Atlantic region today. Flash flood watches are in effect, which includes the Philadelphia and Washington D.C. metro areas. Meanwhile, severe thunderstorms with damaging winds and large hail are possible from North Dakota into Minnesota. Finally, red flag warnings are in effect across several states in the West. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

79°F

26°C

Humidity 58%
Wind Speed E 9 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 7 Aug 2:56 pm EDT
Extended Forecast for

Farmingville NY

  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a high near 78. East wind around 9 mph.

    Slight Chance
    Showers

    High: 78 °F

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. East wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 68 °F

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81. Northeast wind around 6 mph.

    Chance
    Showers

    High: 81 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 68. South wind 3 to 5 mph.

    Partly Cloudy

    Low: 68 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Southwest wind 3 to 7 mph.

    Mostly Sunny

    High: 84 °F

  • Sunday
    Night

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

    Mostly Clear

    Low: 71 °F

  • Monday

    Monday: Mostly sunny, with a high near 86.

    Mostly Sunny

    High: 86 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 72.

    Mostly Cloudy

    Low: 72 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 87.

    Partly Sunny
    then Chance
    Showers

    High: 87 °F

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a high near 78. East wind around 9 mph.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. East wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81. Northeast wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 68. South wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 84. Southwest wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 71.
Monday
Mostly sunny, with a high near 86.
Monday Night
Mostly cloudy, with a low around 72.
Tuesday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 87.
Tuesday Night
A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 72.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 87.
Wednesday Night
Mostly cloudy, with a low around 72.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Friday
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Farmingville NY
 40.84°N 73.05°W (Elev. 197 ft)
Last Update:
1:52 pm EDT Aug 7, 2020
Forecast Valid:
3pm EDT Aug 7, 2020-6pm EDT Aug 14, 2020
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic 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