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Record Warmth Lingers; Fire Weather Concerns; Unsettled Pacific Northwest

More record warm temperatures are forecast this week from California, Southwest, Plains then into the Mississippi Valley and Southeast. The warmth combining with dry conditions may result in elevated to locally critical fire weather conditions. Meanwhile, another Pacific system will move across the Pacific Northwest with lower elevation rain and mountain snows. For Hawaii, conditions improving. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Light Rain

51°F

11°C

Humidity 92%
Wind Speed NE 6 mph
Barometer 29.71 in (1005.4 mb)
Dewpoint 49°F (9°C)
Visibility 8.00 mi
Wind Chill49°F (9°C)
Last update 23 Mar 4:53 am EDT
Extended Forecast for

Princeton Junction NJ

  • Overnight

    Overnight: Showers. Low around 45. North wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Showers

  • Monday

    Monday: Showers, mainly before 10am. High near 48. Northeast wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 31. Northwest wind 10 to 15 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 50. North wind around 5 mph.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Mostly Cloudy
    then Rain
    Likely

Detailed Forecast

Overnight
Showers. Low around 45. North wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly before 10am. High near 48. Northeast wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 31. Northwest wind 10 to 15 mph.
Tuesday
Sunny, with a high near 50. North wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 33. Calm wind.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Mostly cloudy, with a high near 67.
Thursday Night
Rain likely after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Princeton Junction NJ
 40.32°N 74.62°W (Elev. 85 ft)
Last Update:
4:08 am EDT Mar 23, 2026
Forecast Valid:
5am EDT Mar 23, 2026-6pm EDT Mar 29, 2026
 
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