National Weather Service

Hazardous Weather Conditions

Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

68°F

20°C

Humidity	84%
Wind Speed	S 5 mph
Barometer	30.29 in (1025.0 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	19 Jun 2:53 am EDT

More Information:

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

Extended Forecast for

Princeton Junction NJ

Excessive Heat Watch June 21, 06:00am until June 23, 08:00pm

Heat Advisory June 19, 03:09am until June 21, 06:00am

Click here for hazard details and duration

Excessive Heat Watch

Heat Advisory

Heat Advisory June 19, 03:09am until June 21, 06:00am
NOW until 6:00am Fri
Heat Advisory
Overnight
Low: 65 °F
Partly Cloudy
Juneteenth
High: 91 °F
Mostly Sunny
Wednesday Night
Low: 66 °F
Mostly Clear
Thursday
High: 95 °F
Mostly Sunny
Thursday Night
Low: 69 °F
Partly Cloudy
Friday
High: 97 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 69 °F
Chance
T-storms then
Patchy Fog
Saturday
High: 92 °F
Patchy Fog
then Partly
Sunny

Detailed Forecast

Overnight

Partly cloudy, with a low around 65. South wind around 5 mph.

Juneteenth

Mostly sunny, with a high near 91. Southwest wind around 5 mph.

Wednesday Night

Mostly clear, with a low around 66. South wind 5 to 10 mph.

Thursday

Mostly sunny, with a high near 95. Southwest wind around 5 mph.

Thursday Night

Partly cloudy, with a low around 69. Southwest wind around 5 mph.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms before 8pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. Chance of precipitation is 30%.

Saturday

Patchy fog before 8am. Otherwise, partly sunny, with a high near 92.

Saturday Night

A chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 96. Chance of precipitation is 30%.

Sunday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

Monday

A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.

Monday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.