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

Coastal and Marine Hazards This Week

Coastal flooding, dangerous rip currents, high surf, and hazardous marine conditions are expected through this week. View this briefing for more details. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

57°F

14°C

Humidity 55%
Wind Speed NE 12 G 21 mph
Barometer 30.34 in (1027.0 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 23 Sep 1:53 am EDT
Extended Forecast for

2 Miles S Morrisville PA

Coastal Flood Advisory September 23, 10:00pm until September 25, 04:00am
Click here for hazard details and duration
Coastal Flood Advisory

  • Overnight

    Overnight: Cloudy, with a low around 54. Northeast wind around 10 mph.

    Low: 54 °F

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 68. Breezy, with a northeast wind 15 to 20 mph.

    High: 68 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Northeast wind around 10 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Northeast wind 10 to 15 mph.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. Northeast wind 5 to 10 mph.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Overnight
Cloudy, with a low around 54. Northeast wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 68. Breezy, with a northeast wind 15 to 20 mph.
Wednesday Night
Partly cloudy, with a low around 52. Northeast wind around 10 mph.
Thursday
Mostly sunny, with a high near 67. Northeast wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around 52. Northeast wind 5 to 10 mph.
Friday
Partly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 74.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Morrisville PA
 40.18°N 74.79°W (Elev. 75 ft)
Last Update:
4:10 pm EDT Sep 22, 2026
Forecast Valid:
2am EDT Sep 23, 2026-6pm EDT Sep 29, 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