Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Current conditions at

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Overcast

66°F

19°C

Humidity NA
Wind Speed Calm
Barometer 29.90 in (1012.1 mb)
Dewpoint N/A
Visibility 8.00 mi
Last update 17 Aug 1:53 am EDT
Extended Forecast for

Sussex NJ

  • Overnight

    Overnight: Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am.  Patchy fog. Low around 64. South wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers and
    Patchy Fog

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 3pm.  Patchy fog before noon.  Otherwise, mostly cloudy, with a high near 83. Calm wind becoming northeast around 5 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before 7pm.  Patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 66. Calm wind becoming northwest around 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, sunny, with a high near 82. Northwest wind around 5 mph.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Northwest wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers after 2pm.  Partly sunny, with a high near 83. Chance of precipitation is 50%.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Patchy fog. Low around 64. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 83. Calm wind becoming northeast around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 66. Calm wind becoming northwest around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 82. Northwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 61. Northwest wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 82.
Friday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex NJ
 41.21°N 74.62°W (Elev. 407 ft)
2:18 am EDT Aug 17, 2026
2am EDT Aug 17, 2026-6pm EDT Aug 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database