National Weather Service

Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Partly Cloudy

77°F

25°C

Humidity	43%
Wind Speed	NW 5 mph
Barometer	29.78 in (1007.7 mb)
Dewpoint	53°F (12°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	7 May 12:53 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Princeton NJ

This Afternoon
High: 78 °F
Sunny
Tonight
Low: 60 °F
Mostly Cloudy
then Slight
Chance
T-storms and
Patchy Fog
Wednesday
High: 83 °F
Chance
Showers and
Patchy Fog
Wednesday Night
Low: 58 °F
Increasing
Clouds
Thursday
High: 72 °F
Chance
Showers then
Showers
Thursday Night
Low: 53 °F
Showers
Friday
High: 64 °F
Chance
Showers
Friday Night
Low: 48 °F
Chance
Showers
Saturday
High: 66 °F
Partly Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 78. North wind around 5 mph becoming west.

Tonight

A slight chance of showers and thunderstorms after 3am. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 60. South wind around 5 mph. Chance of precipitation is 20%.

Wednesday

A chance of showers and thunderstorms, mainly before 2pm. Patchy fog before 8am. Otherwise, cloudy, then gradual clearing during the afternoon, with a high near 83. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Increasing clouds, with a low around 58. West wind around 5 mph.

Thursday

Showers, with thunderstorms also possible after 5pm. High near 72. Northeast wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 53. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.

Friday Night

A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.

Saturday

Partly sunny, with a high near 66.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.

Sunday

A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 50%.

Sunday Night

Partly cloudy, with a low around 47.