National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

49°F

9°C

Humidity 28%
Wind Speed Vrbl 7 mph
Barometer 30.55 in (1034.0 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 8 Apr 5:53 pm EDT
Extended Forecast for

2 Miles SW Hopewell NJ

Freeze Warning April 8, 10:00pm until April 9, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Widespread frost after midnight. Otherwise, mostly clear, with a low around 27. Southeast wind 5 to 10 mph becoming light in the evening.

    Low: 27 °F

    Mostly Clear
    then Frost

  • Thursday

    Thursday: Areas of frost before 10am. Otherwise, mostly sunny, with a high near 59. South wind 5 to 10 mph.

    High: 59 °F

    Areas Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy frost after midnight. Otherwise, mostly clear, with a low around 34. Southeast wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

  • Friday

    Friday: Patchy frost before 9am. Otherwise, sunny, with a high near 70. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 70 °F

    Patchy Frost
    then Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 48. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Widespread frost after midnight. Otherwise, mostly clear, with a low around 27. Southeast wind 5 to 10 mph becoming light in the evening.
Thursday
Areas of frost before 10am. Otherwise, mostly sunny, with a high near 59. South wind 5 to 10 mph.
Thursday Night
Patchy frost after midnight. Otherwise, mostly clear, with a low around 34. Southeast wind around 5 mph becoming calm in the evening.
Friday
Patchy frost before 9am. Otherwise, sunny, with a high near 70. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 48. South wind around 5 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 63.
Saturday Night
Clear, with a low around 37.
Sunday
Mostly sunny, with a high near 64.
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 62.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Mostly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Hopewell NJ
 40.36°N 74.79°W (Elev. 184 ft)
Last Update:
4:12 pm EDT Apr 8, 2026
Forecast Valid:
6pm EDT Apr 8, 2026-6pm EDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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