Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

73°F

23°C

Humidity 87%
Wind Speed NW 5 mph
Barometer 29.99 in (1014.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 14 Aug 12:53 am EDT
Extended Forecast for

Trenton NJ

  • Overnight

    Overnight: Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. North wind around 5 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 85. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am.  Low around 69. Chance of precipitation is 80%.

    Low: 69 °F

    Showers

  • Monday

    Monday: A chance of showers before 8am.  Mostly sunny, with a high near 89. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 69. Calm wind.
Friday
Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph.
Friday Night
Mostly clear, with a low around 68. Calm wind.
Saturday
Sunny, with a high near 88. North wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 69. Chance of precipitation is 80%.
Monday
A chance of showers before 8am. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
A chance of showers. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Trenton NJ
 40.22°N 74.75°W (Elev. 23 ft)
12:33 am EDT Aug 14, 2026
12am EDT Aug 14, 2026-6pm EDT Aug 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

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