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Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
79°F
26°C
| Humidity | 60% |
| Wind Speed | W 8 mph |
| Barometer | 29.85 in (1010.2 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 14 Oct 2:53 pm EDT |
Extended Forecast for
Trenton NJ
This Afternoon

High: 80 °F
Slight Chance
T-stormsTonight

Low: 54 °F
Mostly Cloudy
Thursday

High: 66 °F
Sunny
Thursday Night
Low: 54 °F
Partly Cloudy
then ShowersFriday

High: 78 °F
Showers
LikelyFriday Night

Low: 47 °F
Showers
Saturday
High: 55 °F
Breezy.
Chance
Showers then
Mostly SunnySaturday Night

Low: 36 °F
Patchy Frost
Sunday

High: 58 °F
Patchy Frost
then Sunny
Detailed Forecast
This Afternoon
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 80. West wind around 10 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 54. West wind 5 to 10 mph becoming north after midnight.
Thursday
Sunny, with a high near 66. North wind around 5 mph.
Thursday Night
A chance of showers, then showers and possibly a thunderstorm after 3am. Low around 54. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 78. Southwest wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 47. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 55. Breezy. Chance of precipitation is 30%.
Saturday Night
Patchy frost. Otherwise, mostly clear, with a low around 36.
Sunday
Patchy frost before 10am. Otherwise, sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Sunny, with a high near 67.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Trenton NJ
40.22°N 74.75°W (Elev. 23 ft)
40.22°N 74.75°W (Elev. 23 ft)
2:21 pm EDT Oct 14, 2026
3pm EDT Oct 14, 2026-6pm EDT Oct 21, 2026


