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

63°F

17°C

Humidity 70%
Wind Speed N 10 mph
Barometer 30.04 in (1016.4 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 15 Oct 1:53 am EDT
Extended Forecast for

Levittown PA

  • Overnight

    Overnight: Partly cloudy, with a low around 55. North wind around 10 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66. North wind 5 to 10 mph becoming east in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 56. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday

    Friday: A chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 80 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms. Low around 49. West wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers

  • Saturday

    Saturday: A chance of showers before 8am. Partly sunny, with a high near 54. Breezy. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy frost. Otherwise, mostly clear, with a low around 38.

    Low: 38 °F

    Patchy Frost

  • Sunday

    Sunday: Patchy frost before 10am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 55. North wind around 10 mph.
Thursday
Mostly sunny, with a high near 66. North wind 5 to 10 mph becoming east in the afternoon.
Thursday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 56. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers and thunderstorms. Low around 49. West wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers before 8am. Partly sunny, with a high near 54. Breezy. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Patchy frost. Otherwise, mostly clear, with a low around 38.
Sunday
Patchy frost before 10am. Otherwise, sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 41.
Monday
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Levittown PA
 40.15°N 74.86°W (Elev. 79 ft)
Last Update:
2:27 am EDT Oct 15, 2026
Forecast Valid:
2am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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