Additional Severe Weather Concerns for the Center of the Nation; Heat Builds for the West; Critical Fire Weather for Alaska

Active hazardous weather continues for the center of the nation with more severe thunderstorms and heavy rainfall today. Heat will linger across the southern Plains, then expand westward early in the week. The combination of heat and dry conditions will fuel fire weather concerns for the Four Corners region and across interior Alaska. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Mostly Cloudy

62°F

17°C

Humidity 80%
Wind Speed Calm
Barometer 29.86 in (1010.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 Jun 5:53 am EDT
Extended Forecast for

Princeton NJSimilar City Names

  • Today

    Today: Increasing clouds, with a high near 84. West wind 5 to 15 mph.

    High: 84 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Northwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall.  High near 80. East wind 10 to 15 mph becoming south in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Heavy Rain

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 64. South wind 5 to 10 mph becoming west after midnight.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Heavy Rain

  • Tuesday

    Tuesday: Showers likely, mainly before 11am.  Mostly cloudy, with a high near 80. North wind 5 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 11pm.  Partly cloudy, with a low around 62. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers after 2pm.  Mostly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 84. West wind 5 to 15 mph.
Tonight
Partly cloudy, with a low around 61. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Monday
A chance of showers, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 80. East wind 10 to 15 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 64. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 80. North wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A slight chance of showers before 11pm. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton NJSimilar City Names
 40.35°N 74.67°W (Elev. 190 ft)
4:07 am EDT Jun 21, 2026
7am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
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Additional Resources

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