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

22°F

-6°C

Humidity 68%
Wind Speed S 6 mph
Barometer 29.88 in (1011.5 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 24 Feb 11:53 pm EST
Extended Forecast for

Morrisville PA

  • Overnight

    Overnight: Snow likely, mainly after 4am. Mostly cloudy, with a temperature rising to around 30 by 5am. South wind around 5 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 21 °F⇑

    Snow Likely

  • Wednesday

    Wednesday: Snow, mainly before 8am. High near 44. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Snow then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Southwest wind around 5 mph becoming west after midnight.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow before 10am, then a chance of snow between 10am and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 41. Northwest wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 41 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 27. Northwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A slight chance of snow before 1pm. Partly sunny, with a high near 42. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow likely, mainly after 4am. Mostly cloudy, with a temperature rising to around 30 by 5am. South wind around 5 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow, mainly before 8am. High near 44. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 30. Southwest wind around 5 mph becoming west after midnight.
Thursday
A slight chance of rain and snow before 10am, then a chance of snow between 10am and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 41. Northwest wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 27. Northwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Friday
A slight chance of snow before 1pm. Partly sunny, with a high near 42. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly cloudy, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 40%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Morrisville PA
 40.2°N 74.79°W (Elev. 98 ft)
Last Update:
4:31 pm EST Feb 24, 2026
Forecast Valid:
12am EST Feb 25, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation