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

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

69°F

21°C

Humidity 66%
Wind Speed SW 5 mph
Barometer 30.02 in (1015.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 26 May 10:53 pm EDT
Extended Forecast for

2 Miles ESE Morrisville PA

  • Tonight

    Tonight: A chance of showers, mainly after 4am. Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers between 10am and noon. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers between 11pm and 2am. Mostly cloudy, with a low around 61. Southwest wind around 5 mph becoming north after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Chance
    Showers

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 80. Northwest wind 5 to 10 mph.

    High: 80 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. North wind around 5 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly after 4am. Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers between 10am and noon. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers between 11pm and 2am. Mostly cloudy, with a low around 61. Southwest wind around 5 mph becoming north after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 80. Northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 55. North wind around 5 mph.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 55.
Monday
A chance of showers. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
Monday Night
A chance of showers. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Morrisville PA
 40.2°N 74.76°W (Elev. 7 ft)
Last Update:
8:35 pm EDT May 26, 2026
Forecast Valid:
11pm EDT May 26, 2026-6pm EDT Jun 2, 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