Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

87°F

31°C

Humidity 65%
Wind Speed Calm
Barometer 30.07 in (1017.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 23 Jun 10:53 pm EDT
Extended Forecast for

3 Miles NNE White Horse NJ

Extreme Heat Warning June 23, 11:17pm until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 23, 11:17pm until June 25, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Heat index values as high as 106. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. West wind around 5 mph becoming calm.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 97. Heat index values as high as 101. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 74. North wind around 5 mph becoming calm.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm.  Partly sunny, with a high near 89. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 2am, then a chance of showers.  Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    T-storms
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 77. Calm wind.
Tuesday
Sunny and hot, with a high near 100. Heat index values as high as 106. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 78. West wind around 5 mph becoming calm.
Wednesday
A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 97. Heat index values as high as 101. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 74. North wind around 5 mph becoming calm. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 89. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 90. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE White Horse NJ
 40.23°N 74.67°W (Elev. 98 ft)
4:11 pm EDT Jun 23, 2025
11pm EDT Jun 23, 2025-6pm EDT Jun 30, 2025
 
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Additional Resources

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