Heat Continues For Parts Of Western & Southern U.S. While Monsoon Slowly Begins To Decrease

Another day of dangerous heat is in store for parts of the western and southern U.S. on Tuesday before a cooling trend begins Wednesday. Excessive Heat Warnings are in effect for northern CA and southwestern OR, while Heat Advisories cover parts of the southern Plains/Lower MS Valley. Meanwhile, monsoon will slowly taper off Tuesday in the Southwest, but isolated heavy rain remains possible. Read More >

Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Partly Cloudy

81°F

27°C

Humidity 79%
Wind Speed S 8 mph
Barometer 29.87 in (1010.6 mb)
Dewpoint 74°F (23°C)
Visibility 9.00 mi
Heat Index86°F (30°C)
Last update 17 Jul 8:53 am EDT
Extended Forecast for

Princeton Junction NJ

Flash Flood Watch July 17, 11:00am until July 18, 12:00am
Click here for hazard details and duration
Flash Flood Watch
  • Today

    Today: Showers and thunderstorms, mainly after 4pm. Some storms could be severe, with damaging winds and heavy rain.  High near 88. Southwest wind around 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Severe
    Thunderstorms

    High: 88 °F

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a chance of showers between midnight and 1am. Some storms could be severe, with damaging winds and heavy rain.  Cloudy, then gradually becoming partly cloudy, with a low around 65. Southwest wind 5 to 10 mph becoming north in the evening.  Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Severe
    Thunderstorms
    then Chance
    Showers

    Low: 65 °F

  • Wednesday

    Wednesday: Sunny, with a high near 85. North wind 8 to 10 mph.

    Sunny

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 60. North wind around 6 mph.

    Mostly Clear

    Low: 60 °F

  • Thursday

    Thursday: Sunny, with a high near 83. North wind around 7 mph.

    Sunny

    High: 83 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 62.

    Mostly Clear

    Low: 62 °F

  • Friday

    Friday: Sunny, with a high near 85.

    Sunny

    High: 85 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 65.

    Partly Cloudy

    Low: 65 °F

  • Saturday

    Saturday: Partly sunny, with a high near 82.

    Partly Sunny

    High: 82 °F

Detailed Forecast

Today
Showers and thunderstorms, mainly after 4pm. Some storms could be severe, with damaging winds and heavy rain. High near 88. Southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms likely before midnight, then a chance of showers between midnight and 1am. Some storms could be severe, with damaging winds and heavy rain. Cloudy, then gradually becoming partly cloudy, with a low around 65. Southwest wind 5 to 10 mph becoming north in the evening. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Sunny, with a high near 85. North wind 8 to 10 mph.
Wednesday Night
Mostly clear, with a low around 60. North wind around 6 mph.
Thursday
Sunny, with a high near 83. North wind around 7 mph.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Partly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
Princeton Junction NJ
 40.3°N 74.62°W (Elev. 98 ft)
6:36 am EDT Jul 17, 2018
9am EDT Jul 17, 2018-6pm EDT Jul 23, 2018
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database