Hazardous Weather Conditions
Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fog
36°F
2°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 29.44 in (996.6 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 0.25 mi |
| Last update | 29 Dec 7:53 am EST |
Extended Forecast for
Fairless Hills PA
Wind Advisory December 29, 10:00am until December 30, 01:00pm
Dense Fog Advisory December 29, 08:43am until December 29, 10:00am
NOW until 10:00am Mon
Dense Fog Advisory
Today
High: 53 °F⇓
Showers then
Chance
Showers and
BreezyTonight

Low: 25 °F
Partly Cloudy
and BreezyTuesday

High: 33 °F
Partly Sunny
and BreezyTuesday Night

Low: 24 °F
Mostly Cloudy
Wednesday

High: 36 °F
Partly Sunny
Wednesday Night

Low: 22 °F
Slight Chance
SnowNew Year's Day

High: 29 °F
Partly Sunny
Thursday Night

Low: 17 °F
Partly Cloudy
Detailed Forecast
Today
Showers, mainly before 2pm. Temperature rising to near 53 by noon, then falling to around 39 during the remainder of the day. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Partly cloudy, with a low around 25. Breezy, with a west wind around 20 mph, with gusts as high as 45 mph.
Tuesday
Partly sunny, with a high near 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 45 mph.
Tuesday Night
Mostly cloudy, with a low around 24. West wind 10 to 15 mph.
Wednesday
Partly sunny, with a high near 36. West wind 10 to 15 mph.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 20%.
New Year's Day
Partly sunny, with a high near 29.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 33.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Fairless Hills PA
40.19°N 74.88°W (Elev. 190 ft)
40.19°N 74.88°W (Elev. 190 ft)
5:47 am EST Dec 29, 2025
8am EST Dec 29, 2025-6pm EST Jan 4, 2026



