Heavy rain for portions of the Mid-Atlantic and New England through Saturday

A slow-moving weather system in the eastern U.S. will focus showers and thunderstorms across portions of New England and the Mid-Atlantic through Saturday. Abundant moisture will allow occasionally heavy rainfall and flash flooding in these locations. Read More >

Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fog/Mist

74°F

23°C

Humidity 91%
Wind Speed N 6 mph
Barometer 29.82 in (1009.1 mb)
Dewpoint 71°F (22°C)
Visibility 6.00 mi
Last update 29 Jul 3:53 am EDT
Extended Forecast for

Princeton NJ

Flash Flood Watch until July 29, 12:00pm
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until July 29, 12:00pm

    NOW until
    12:00pm Fri

    Flash Flood Watch

  • Overnight

    Overnight: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 73. Northeast wind around 5 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    Low: 73 °F

  • Friday

    Friday: Rain and possibly a thunderstorm before 1pm, then scattered showers, mainly between 1pm and 2pm. Some of the storms could produce heavy rainfall.  High near 83. Northeast wind 8 to 10 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Heavy Rain
    then Rain
    Likely

    High: 83 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 69. Southeast wind 5 to 7 mph becoming calm.

    Mostly Cloudy

    Low: 69 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms. Some of the storms could produce heavy rain.  Mostly cloudy, with a high near 85. Light and variable wind.  Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    High: 85 °F

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms likely. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 71. South wind 3 to 6 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    Low: 71 °F

  • Sunday

    Sunday: Showers and thunderstorms likely. Some of the storms could produce heavy rain.  Cloudy, with a high near 82. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    High: 82 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 69 °F

  • Monday

    Monday: Partly sunny, with a high near 84.

    Partly Sunny

    High: 84 °F

Detailed Forecast

Overnight
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 73. Northeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Rain and possibly a thunderstorm before 1pm, then scattered showers, mainly between 1pm and 2pm. Some of the storms could produce heavy rainfall. High near 83. Northeast wind 8 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Mostly cloudy, with a low around 69. Southeast wind 5 to 7 mph becoming calm.
Saturday
A chance of showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 85. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 71. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms likely. Some of the storms could produce heavy rain. Cloudy, with a high near 82. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 86.
Click Map For Forecast
Point Forecast:
Princeton NJ
 40.35°N 74.67°W (Elev. 190 ft)
3:35 am EDT Jul 29, 2016
3am EDT Jul 29, 2016-6pm EDT Aug 4, 2016
 
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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