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

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Overcast

60°F

16°C

Humidity 80%
Wind Speed N 5 mph
Barometer 30.13 in (1020.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Jun 3:53 am EDT
Extended Forecast for

Mongaup NY

  • Overnight

    Overnight: A slight chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers, mainly between 7am and 9am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 66. Light east wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 69. Calm wind becoming east around 5 mph in the afternoon.

    High: 69 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 20%.
Sunday
A chance of showers, mainly between 7am and 9am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 66. Light east wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 54. Calm wind.
Monday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 69. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 56. Calm wind.
Tuesday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Cloudy, with a low around 61. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Juneteenth
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mongaup NY
 41.42°N 74.75°W (Elev. 794 ft)
Last Update:
3:39 am EDT Jun 15, 2025
Forecast Valid:
4am EDT Jun 15, 2025-6pm EDT Jun 21, 2025
 
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