Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Rain Fog/Mist

42°F

6°C

Humidity 92%
Wind Speed E 9 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 40°F (4°C)
Visibility 4.00 mi
Wind Chill37°F (3°C)
Last update 25 Apr 6:53 pm EDT
Extended Forecast for

2 Miles SSE Princeton Junction NJ

  • Tonight

    Tonight: Rain, mainly before 5am.  Low around 40. Northeast wind 10 to 15 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Rain

  • Sunday

    Sunday: A chance of showers, mainly before 11am.  Mostly cloudy, with a high near 54. Northeast wind 10 to 15 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. Northeast wind 5 to 10 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. East wind around 5 mph becoming calm.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm.  Mostly cloudy, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly between 8pm and 2am.  Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely

Detailed Forecast

Tonight
Rain, mainly before 5am. Low around 40. Northeast wind 10 to 15 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A chance of showers, mainly before 11am. Mostly cloudy, with a high near 54. Northeast wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly clear, with a low around 39. Northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 66. Northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 41. East wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Wednesday
A chance of showers after 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Wednesday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Thursday
A chance of showers before 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 61.
Friday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Princeton Junction NJ
 40.29°N 74.6°W (Elev. 98 ft)
4:08 pm EDT Apr 25, 2026
7pm EDT Apr 25, 2026-6pm EDT May 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database