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Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

32°F

0°C

Humidity 50%
Wind Speed N 9 mph
Barometer 30.51 in (1032.7 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 8 Apr 12:53 am EDT
Extended Forecast for

2 Miles SSE Princeton Junction NJ

Freeze Watch April 8, 08:00pm until April 9, 09:00am
Freeze Warning until April 8, 09:00am
Click here for hazard details and duration
Freeze Watch
Freeze Warning
  •  
    Freeze Warning until April 8, 09:00am

    NOW until 9:00am Wed

    Freeze Warning

  • Overnight

    Low: 27 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 51. Northeast wind 5 to 10 mph becoming east in the afternoon.

    High: 51 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 1am. Otherwise, mostly clear, with a low around 28. Southeast wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Clear
    then Areas
    Frost

  • Thursday

    Thursday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 58 °F

    Areas Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. Southeast wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Overnight
Clear, with a low around 27. North wind 5 to 10 mph.
Wednesday
Sunny, with a high near 51. Northeast wind 5 to 10 mph becoming east in the afternoon.
Wednesday Night
Areas of frost after 1am. Otherwise, mostly clear, with a low around 28. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 34. Southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 79.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Princeton Junction NJ
 40.29°N 74.6°W (Elev. 98 ft)
Last Update:
8:48 pm EDT Apr 7, 2026
Forecast Valid:
1am EDT Apr 8, 2026-6pm EDT Apr 14, 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