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

83°F

28°C

Humidity 55%
Wind Speed SW 7 mph
Barometer 30.08 in (1018.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 May 9:53 am EDT
Extended Forecast for

3 Miles SSE Hewitt NJ

Heat Advisory May 19, 11:00am until May 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 94. West wind 5 to 9 mph, with gusts as high as 22 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 73. Light southwest wind.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly after 2pm. High near 88. West wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 88 °F

    Slight Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Low around 53. Northwest wind around 7 mph. Chance of precipitation is 80%.

    Low: 53 °F

    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 69. North wind 3 to 6 mph.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers, mainly after 8pm. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Showers

  • Saturday

    Saturday: Showers. High near 59. Chance of precipitation is 80%.

    High: 59 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 94. West wind 5 to 9 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 73. Light southwest wind.
Wednesday
Showers and possibly a thunderstorm, mainly after 2pm. High near 88. West wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Low around 53. Northwest wind around 7 mph. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 69. North wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 66.
Friday Night
Showers, mainly after 8pm. Low around 47. Chance of precipitation is 80%.
Saturday
Showers. High near 59. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 50. Chance of precipitation is 80%.
Sunday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53.
Memorial Day
Mostly cloudy, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Hewitt NJ
 41.13°N 74.34°W (Elev. 755 ft)
Last Update:
2:21 am EDT May 19, 2026
Forecast Valid:
10am EDT May 19, 2026-6pm EDT May 25, 2026
 
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