Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

29°F

-2°C

Humidity 82%
Wind Speed Calm
Barometer 30.58 in (1035.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 9 Apr 4:53 am EDT
Extended Forecast for

2 Miles ENE Hopewell NJ

Freeze Warning April 9, 05:22am until April 9, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning April 9, 05:22am until April 9, 09:00am

    NOW until 9:00am Thu

    Freeze Warning

  • Today

    High: 58 °F

    Frost then
    Mostly Sunny

  • Tonight

    Tonight: Patchy frost after 4am.  Otherwise, increasing clouds, with a low around 35. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Friday

    Friday: Patchy fog before 7am. Patchy frost before 8am.  Otherwise, mostly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 69 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. South wind around 5 mph.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 63. Northwest wind around 10 mph.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Today
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Patchy frost after 4am. Otherwise, increasing clouds, with a low around 35. Southeast wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 7am. Patchy frost before 8am. Otherwise, mostly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 48. South wind around 5 mph.
Saturday
Sunny, with a high near 63. Northwest wind around 10 mph.
Saturday Night
Clear, with a low around 38.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Mostly cloudy, with a high near 78.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Mostly cloudy, with a low around 63.
Wednesday
Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Hopewell NJ
 40.4°N 74.75°W (Elev. 233 ft)
4:24 am EDT Apr 9, 2026
5am EDT Apr 9, 2026-6pm EDT Apr 15, 2026
 
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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