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Hazardous Weather Conditions

Current conditions at

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Fair

74°F

23°C

Humidity 97%
Wind Speed Calm
Barometer 30.06 in (1017.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 15 Jul 11:53 pm EDT
Extended Forecast for

Upper Mongaup NY

  • Overnight

    Overnight: Areas of fog. Otherwise, partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Areas Fog

  • Wednesday

    Wednesday: A chance of thunderstorms, mainly after 5pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 87. Light south wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Areas Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 86. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 67. West wind 3 to 5 mph.

    Low: 67 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 20%.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Areas of fog. Otherwise, partly cloudy, with a low around 67. Calm wind.
Wednesday
A chance of thunderstorms, mainly after 5pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 87. Light south wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 86. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Mostly cloudy, with a low around 67. West wind 3 to 5 mph.
Friday
A slight chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
A chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Upper Mongaup NY
 41.47°N 74.8°W (Elev. 1224 ft)
Last Update:
6:39 pm EDT Jul 15, 2025
Forecast Valid:
12am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation