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

60°F

16°C

Humidity 46%
Wind Speed Vrbl 3 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Nov 10:53 am EST
Extended Forecast for

Fairless Hills PA

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 64. South wind around 5 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Calm wind becoming east around 5 mph after midnight.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain, mainly after 9am. High near 63. East wind around 5 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 40. Northwest wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 49. Northwest wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely

  • Friday Night

    Friday Night: A slight chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Veterans Day
Mostly sunny, with a high near 64. South wind around 5 mph.
Tonight
Mostly cloudy, with a low around 47. Calm wind becoming east around 5 mph after midnight.
Thursday
Rain, mainly after 9am. High near 63. East wind around 5 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 40. Northwest wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 49. Northwest wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairless Hills PA
 40.19°N 74.85°W (Elev. 98 ft)
Last Update:
9:33 am EST Nov 11, 2026
Forecast Valid:
11am EST Nov 11, 2026-6pm EST Nov 17, 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