Briefing for Flash Flood Risk through Tuesday

Showers and scattered thunderstorms with locally heavy rainfall will lead to areas of flash flooding through Tuesday. There is also potential for isolated severe thunderstorms with damaging wind gusts. See this briefing for details on these threats. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

72°F

22°C

Humidity	100%
Wind Speed	N 3 mph
Barometer	30.06 in (1017.1 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Last update	15 Jul 5:53 am EDT

More Information:

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

Extended Forecast for

Princeton North NJ

Overnight
Low: 71 °F
Slight Chance
T-storms
Tuesday
High: 86 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
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

Detailed Forecast

Overnight

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.

Tuesday

A chance of showers and thunderstorms before noon, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Calm wind. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

A chance of thunderstorms before 8pm. 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. 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. 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%.