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

75°F

24°C

Humidity 46%
Wind Speed S 7 mph
Barometer 30.02 in (1016.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 26 May 6:53 pm EDT
Extended Forecast for

2 Miles ESE Fairless Hills 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

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 5pm. 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 rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers and
    Patchy Fog
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 62. 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, except higher amounts possible in thunderstorms.

    Low: 62 °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 56. North wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °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 53.

    Low: 53 °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, with thunderstorms also possible after 5pm. 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 rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 62. 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, except higher amounts possible in thunderstorms.
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 56. North wind around 5 mph.
Friday
Sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 53.
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 54. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Fairless Hills PA
 40.16°N 74.82°W (Elev. 72 ft)
Last Update:
5:20 pm EDT May 26, 2026
Forecast Valid:
7pm EDT May 26, 2026-6pm EDT Jun 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation