Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fog/Mist
41°F
5°C
| Humidity | 100% |
| Wind Speed | E 8 mph |
| Barometer | 30.19 in (1022.0 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 1.25 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 5 Mar 4:53 pm EST |
Extended Forecast for
Trenton, Mercer County Airport NJ
This Afternoon

High: 44 °F
Slight Chance
RainTonight

Low: 36 °F
Rain and
Patchy FogFriday
High: 44 °F
Patchy Fog
then CloudyFriday Night

Low: 37 °F
Chance Rain
and Patchy
FogSaturday

High: 57 °F
Patchy Fog
Saturday Night

Low: 49 °F
Showers and
Patchy FogSunday

High: 65 °F
Partly Sunny
Sunday Night

Low: 43 °F
Partly Cloudy
Monday

High: 67 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A slight chance of rain. Cloudy, with a high near 44. East wind around 5 mph. Chance of precipitation is 20%.
Tonight
Rain, mainly before 4am. Patchy fog after 7pm. Low around 36. Northeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Patchy fog before 11am. Otherwise, cloudy, with a high near 44. East wind around 5 mph.
Friday Night
A chance of rain, mainly after 1am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 37. East wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Patchy fog before 1pm. Otherwise, cloudy, with a high near 57. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Showers. Patchy fog before 1am. Low around 49. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Thursday
A chance of rain. Mostly cloudy, with a high near 57.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Trenton, Mercer County Airport NJ
40.28°N 74.83°W (Elev. 200 ft)
40.28°N 74.83°W (Elev. 200 ft)
4:09 pm EST Mar 5, 2026
5pm EST Mar 5, 2026-6pm EDT Mar 12, 2026


