



Briefing for Late June Heat Wave
An early season heat wave will bring dangerously hot and humid conditions across most of the region beginning Sunday through Wednesday. Read More >
Hazardous Weather Conditions
Current conditions at
Trenton, Mercer County Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Overcast
79°F
26°C
Humidity | 85% |
Wind Speed | Calm |
Barometer | 30.05 in (1016.7 mb) |
Dewpoint | 74°F (23°C) |
Visibility | 10.00 mi |
Heat Index | 83°F (28°C) |
Last update | 23 Jun 2:53 am EDT |
Extended Forecast for
2 Miles ENE Hopewell NJ
Extreme Heat Warning June 23, 03:09am until June 25, 08:00pm
NOW until 8:00pm Wed
Extreme Heat Warning
Overnight
Low: 76 °F
Mostly Clear
Monday
High: 97 °F
Hot
Monday Night
Low: 77 °F
Mostly Clear
Tuesday
High: 101 °F
Hot
Tuesday Night
Low: 77 °F
Mostly Clear
Wednesday
High: 96 °F
Sunny then
Chance
T-stormsWednesday Night
Low: 72 °F
Chance
T-storms then
Mostly CloudyThursday
High: 91 °F
Partly Sunny
then Chance
T-storms
Detailed Forecast
Overnight
Mostly clear, with a low around 76. Calm wind.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind becoming northwest around 5 mph.
Monday Night
Mostly clear, with a low around 77. Calm wind.
Tuesday
Sunny and hot, with a high near 101. Heat index values as high as 105. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 77. West wind around 5 mph becoming calm.
Wednesday
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Hopewell NJ
40.4°N 74.75°W (Elev. 233 ft)
40.4°N 74.75°W (Elev. 233 ft)
4:12 pm EDT Jun 22, 2025
3am EDT Jun 23, 2025-6pm EDT Jun 29, 2025