National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

75°F

24°C

Humidity 82%
Wind Speed NW 6 mph
Barometer 29.85 in (1010.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 17 Aug 11:53 am EDT
Extended Forecast for

2 Miles NNE Titusville NJ

  • This Afternoon

    This Afternoon: A slight chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. Northwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 69. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. North wind around 5 mph.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. Northwest wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A slight chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. Northwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 69. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. North wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 66. Northwest wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Saturday
A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Titusville NJ
 40.34°N 74.85°W (Elev. 256 ft)
Last Update:
12:00 pm EDT Aug 17, 2026
Forecast Valid:
12pm EDT Aug 17, 2026-6pm EDT Aug 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation