Hazardous Weather Conditions
Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
86°F
30°C
| Humidity | 63% |
| Wind Speed | S 5 mph |
| Barometer | 30.03 in (1016.2 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 92°F (33°C) |
| Last update | 15 Jul 6:53 pm EDT |
Extended Forecast for
Trenton, Mercer County Airport NJ
Flood Watch July 16, 03:00pm until July 17, 03:00am
Tonight
Low: 72 °F
Slight Chance
T-storms then
Partly CloudyWednesday
High: 90 °F
Partly Sunny
then Heavy
RainWednesday Night
Low: 73 °F
Heavy Rain
then Showers
LikelyThursday
High: 91 °F
Showers
LikelyThursday Night
Low: 75 °F
Showers
Likely then
Partly CloudyFriday
High: 87 °F
Mostly Sunny
then Chance
T-stormsFriday Night
Low: 66 °F
Chance
T-storms then
Mostly ClearSaturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 69 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Tonight
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 90. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 91. Heat index values as high as 100. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 75. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. 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 69. Chance of precipitation is 40%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Tuesday
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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Point Forecast:
Trenton, Mercer County Airport NJ
40.28°N 74.83°W (Elev. 200 ft)
40.28°N 74.83°W (Elev. 200 ft)
4:13 pm EDT Jul 15, 2025
7pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
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