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

Hazardous Weather Conditions

Current conditions at

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Fair

48°F

9°C

Humidity 58%
Wind Speed Vrbl 3 mph
Barometer 30.05 in (1017.8 mb)
Dewpoint 34°F (1°C)
Visibility 9.00 mi
Last update 17 Feb 2:53 pm EST
Extended Forecast for

3 Miles WNW Slate Hill NY

Dense Fog Advisory February 17, 10:00pm until February 18, 10:00am
Click here for hazard details and duration
Dense Fog Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 45. Southwest wind around 6 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Areas of dense fog after 1am. Otherwise, increasing clouds, with a low around 31. Light west wind.

    Low: 31 °F

    Partly Cloudy
    then Areas
    Dense Fog

  • Wednesday

    Wednesday: Rain. Patchy dense fog before 10am. High near 38. Light northeast wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 38 °F

    Rain and
    Patchy Dense
    Fog

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 30. Northeast wind 3 to 5 mph.

    Low: 30 °F

    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 38. Northeast wind 3 to 5 mph.

    High: 38 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow after 1am. Cloudy, with a low around 28.

    Low: 28 °F

    Cloudy then
    Chance Snow

  • Friday

    Friday: Rain and snow, becoming all rain after 1pm. High near 37. Chance of precipitation is 90%.

    High: 37 °F

    Rain/Snow

  • Friday Night

    Friday Night: A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 45. Southwest wind around 6 mph.
Tonight
Areas of dense fog after 1am. Otherwise, increasing clouds, with a low around 31. Light west wind.
Wednesday
Rain. Patchy dense fog before 10am. High near 38. Light northeast wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 30. Northeast wind 3 to 5 mph.
Thursday
Mostly cloudy, with a high near 38. Northeast wind 3 to 5 mph.
Thursday Night
A 40 percent chance of snow after 1am. Cloudy, with a low around 28.
Friday
Rain and snow, becoming all rain after 1pm. High near 37. Chance of precipitation is 90%.
Friday Night
A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 33.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Slate Hill NY
 41.38°N 74.55°W (Elev. 906 ft)
Last Update:
12:51 pm EST Feb 17, 2026
Forecast Valid:
2pm EST Feb 17, 2026-6pm EST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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