National Weather Service

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

77°F

25°C

Humidity	85%
Wind Speed	Vrbl 3 mph
Barometer	30.09 in (1018.1 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	15 Jul 10:53 am EDT

More Information:

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

Extended Forecast for

Princeton NJ

Today
High: 86 °F
Slight Chance
T-storms
Tonight
Low: 72 °F
Chance
T-storms then
Partly Cloudy
Wednesday
High: 89 °F
Chance
Showers then
Showers
Likely
Wednesday Night
Low: 73 °F
Showers
Likely
Thursday
High: 90 °F
Chance
T-storms
Thursday Night
Low: 74 °F
Partly Cloudy
Friday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 67 °F
Chance
T-storms then
Partly Cloudy
Saturday
High: 85 °F
Mostly Sunny

Detailed Forecast

Today

A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Calm wind. Chance of precipitation is 20%.

Tonight

A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A chance of showers and thunderstorms. Partly sunny, with a high near 90. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Partly cloudy, with a low around 74.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

Saturday

Mostly sunny, with a high near 85.

Saturday Night

A chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

Sunday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.