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Transitioning to a New Format for the Area Forecast Discussion on January 6, 2026

Hazardous Weather Conditions

Cold Weather Advisory in effect from January 20, 02:00 AM EST until January 20, 10:00 AM EST

Current conditions at

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Fair

22°F

-6°C

Humidity	38%
Wind Speed	SW 7 mph
Barometer	30.05 in (1018.3 mb)
Dewpoint	0°F (-18°C)
Visibility	10.00 mi
Wind Chill	13°F (-11°C)
Last update	19 Jan 10:53 pm EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles W Sussex Airport NJ

Cold Weather Advisory January 20, 02:00am until January 20, 10:00am

Click here for hazard details and duration

Cold Weather Advisory

Tonight
Low: 7 °F
Mostly Clear
Tuesday
High: 17 °F
Sunny
Tuesday Night
Low: 4 °F
Mostly Clear
Wednesday
High: 25 °F
Mostly Sunny
Wednesday Night
Low: 23 °F
Mostly Cloudy
Thursday
High: 37 °F
Mostly Sunny
Thursday Night
Low: 17 °F
Partly Cloudy
Friday
High: 24 °F
Partly Sunny
Friday Night
Low: 4 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 7. Wind chill values as low as -3. West wind 10 to 15 mph.

Tuesday

Sunny, with a high near 17. Wind chill values as low as -6. West wind 10 to 15 mph.

Tuesday Night

Mostly clear, with a low around 4. Wind chill values as low as -3. West wind around 5 mph.

Wednesday

Mostly sunny, with a high near 25. Wind chill values as low as -3. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Wednesday Night

Mostly cloudy, with a low around 23. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday

Mostly sunny, with a high near 37.

Thursday Night

Partly cloudy, with a low around 17.

Friday

Partly sunny, with a high near 24.

Friday Night

Mostly cloudy, with a low around 4.

Saturday

Partly sunny, with a high near 12.