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

Areas of Severe Thunderstorms and Excessive Rainfall through Memorial Day

Multiple rounds of thunderstorms are forecast to impact portions of the Southern Plains, Mid-South, and Tennessee Valley through Memorial Day. Severe thunderstorms may produce large hail, severe wind gusts, and a few tornadoes. Excessive rainfall is also likely and may result in scattered to numerous instances of flash flooding. Read More >

Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Mostly Cloudy

54°F

12°C

Humidity 80%
Wind Speed NW 5 mph
Barometer 30.16 in (1020.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 25 May 11:53 pm EDT
Extended Forecast for

Princeton NJ

  • Overnight

    Overnight: Mostly clear, with a low around 48. Northwest wind around 5 mph.

    Low: 48 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 72. North wind around 5 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 74. Calm wind becoming south around 5 mph.

    High: 74 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Cloudy, with a low around 53. South wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 53 °F

    Cloudy then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 8am. Cloudy, with a high near 63. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely. Cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 48. Northwest wind around 5 mph.
Memorial Day
Sunny, with a high near 72. North wind around 5 mph.
Monday Night
Partly cloudy, with a low around 50. Calm wind.
Tuesday
Partly sunny, with a high near 74. Calm wind becoming south around 5 mph.
Tuesday Night
A slight chance of showers after 2am. Cloudy, with a low around 53. South wind around 5 mph becoming calm. Chance of precipitation is 20%.
Wednesday
Showers likely, mainly after 8am. Cloudy, with a high near 63. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers likely. Cloudy, with a low around 56. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
A chance of showers. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Princeton NJ
 40.35°N 74.67°W (Elev. 190 ft)
Last Update:
10:13 pm EDT May 25, 2025
Forecast Valid:
1am EDT May 26, 2025-6pm EDT Jun 1, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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