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

Severe Thunderstorms, Heavy Rainfall and Dangerous Heat

Severe thunderstorms are expected today and Friday from the upper Midwest, central Great Lakes into the Ohio and mid-Mississippi Valley's. In addition, heavy rainfall threat increases on Friday across the Ohio Valley. Meanwhile, early summer-like heat wave across portions of southern Texas with new daily records are forecast today and through the weekend; The heat spreads across the Gulf States. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fog/Mist

65°F

18°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 29.82 in (1009.0 mb)
Dewpoint 65°F (18°C)
Visibility 3.00 mi
Last update 16 May 12:53 am EDT
Extended Forecast for

Bordentown NJ

Coastal Flood Advisory May 16, 02:00am until May 16, 08:00am
Click here for hazard details and duration
Coastal Flood Advisory

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Areas Fog

  • Friday

    Friday: A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 4pm, then a chance of showers and thunderstorms after 4pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 79. Light south wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers and
    Areas Fog
    then Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly after 5am. Areas of fog between 11pm and 5am. Otherwise, mostly cloudy, with a low around 65. South wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms and
    Areas Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers before 8pm. Mostly clear, with a low around 60. West wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 62. Calm wind.
Friday
A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 4pm, then a chance of showers and thunderstorms after 4pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 79. Light south wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, mainly after 5am. Areas of fog between 11pm and 5am. Otherwise, mostly cloudy, with a low around 65. South wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers before 8pm. Mostly clear, with a low around 60. West wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bordentown NJ
 40.15°N 74.71°W (Elev. 13 ft)
Last Update:
1:10 am EDT May 16, 2025
Forecast Valid:
1am EDT May 16, 2025-6pm EDT May 22, 2025
 
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