Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Overcast
37°F
3°C
| Humidity | 70% |
| Wind Speed | W 10 G 26 mph |
| Barometer | 29.44 in (996.4 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 7.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 15 Jan 7:53 am EST |
Extended Forecast for
Trenton NJ
Today

High: 38 °F
Mostly Sunny
and BreezyTonight
Low: 21 °F
Mostly Cloudy
and Breezy
then Partly
CloudyFriday

High: 35 °F
Sunny
Friday Night
Low: 27 °F
Partly Cloudy
then Slight
Chance SnowSaturday
High: 43 °F
Chance Snow
then Chance
Rain/SnowSaturday Night
Low: 27 °F
Slight Chance
Rain then
Slight Chance
Rain/SnowSunday

High: 34 °F
Chance Snow
Sunday Night

Low: 19 °F
Partly Cloudy
M.L.King Day

High: 31 °F
Sunny
Detailed Forecast
Today
Cloudy through mid morning, then becoming mostly sunny, with a high near 38. Breezy, with a west wind 15 to 20 mph.
Tonight
Mostly cloudy, with a low around 21. Breezy, with a west wind 15 to 20 mph.
Friday
Sunny, with a high near 35. West wind 10 to 15 mph.
Friday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 27. South wind around 5 mph. Chance of precipitation is 20%.
Saturday
A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 43. South wind around 5 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday Night
A slight chance of rain before 1am, then a slight chance of rain and snow between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Sunday
A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 19.
M.L.King Day
Sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Sunny, with a high near 23.
Tuesday Night
Mostly clear, with a low around 10.
Wednesday
Mostly sunny, with a high near 29.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Trenton NJ
40.23°N 74.78°W (Elev. 33 ft)
40.23°N 74.78°W (Elev. 33 ft)
4:14 am EST Jan 15, 2026
8am EST Jan 15, 2026-6pm EST Jan 21, 2026


