Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Partly Cloudy

30°C

86°F

Humidity 63%
Wind Speed W 7 km/h
Barometer 1016.1 mb (30.03 in)
Dewpoint 22°C (72°F)
Visibility 16 km
Heat Index33°C (92°F)
Last update 15 Jul 4:53 pm EDT
Extended Forecast for

2 Miles SW Hopewell NJ

Flood Watch July 16, 03:00pm until July 17, 03:00am
Click here for hazard details and duration
Flood Watch
  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms.  Partly sunny, with a high near 30. Calm wind.  Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 30 °C

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °C

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall.  Partly sunny, with a high near 32. South wind 5 to 10 km/h.  Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 32 °C

    Partly Sunny
    then Heavy
    Rain

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 23. Southwest wind around 10 km/h.  Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.

    Low: 23 °C

    Heavy Rain
    then Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 33. West wind 10 to 15 km/h.  Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 33 °C

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm.  Partly cloudy, with a low around 24. Chance of precipitation is 60%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 24 °C

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °C

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19.

    Low: 19 °C

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 29.

    High: 29 °C

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a high near 30. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 22. Calm wind.
Wednesday
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 32. South wind 5 to 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 23. Southwest wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 33. West wind 10 to 15 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 24. Chance of precipitation is 60%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 29. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 29. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 18. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Hopewell NJ
 40.36°N 74.79°W (Elev. 184 m)
4:13 pm EDT Jul 15, 2025
5pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

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