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 40%
Wind Speed S 3 mph
Barometer 30.13 in (1019.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 26 May 11:53 am EDT
Extended Forecast for

2 Miles ESE Fairless Hills PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 83. East wind around 5 mph becoming south.

    High: 83 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 63. Southwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers likely before 10am, then a chance of showers after 1pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 63. West wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 79. North wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 83. East wind around 5 mph becoming south.
Tonight
A chance of showers, mainly after 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 63. Southwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely before 10am, then a chance of showers after 1pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 63. West wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 79. North wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Fairless Hills PA
 40.16°N 74.82°W (Elev. 72 ft)
Last Update:
4:08 am EDT May 26, 2026
Forecast Valid:
12pm EDT May 26, 2026-6pm EDT Jun 1, 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