Hazardous Weather Conditions
Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
A Few Clouds
94°F
34°C
| Humidity | 38% |
| Wind Speed | SW 12 G 24 mph |
| Barometer | 30.10 in (1018.5 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 96°F (36°C) |
| Last update | 18 May 2:53 pm EDT |
Extended Forecast for
3 Miles SSW Lawrenceville NJ
Heat Advisory May 18, 03:37pm until May 20, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
Tonight
Low: 70 °F
Mostly Clear
Tuesday
High: 96 °F
Sunny
Tuesday Night
Low: 74 °F
Partly Cloudy
Wednesday
High: 94 °F
Sunny then
ShowersWednesday Night
Low: 55 °F
Showers
Thursday
High: 71 °F
Slight Chance
ShowersThursday Night
Low: 50 °F
Mostly Cloudy
Friday
High: 67 °F
Chance
Showers
Detailed Forecast
Tonight
Mostly clear, with a low around 70. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 96. West wind 5 to 15 mph.
Tuesday Night
Partly cloudy, with a low around 74. Southwest wind 5 to 10 mph.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 94. Southwest wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 55. North wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers between 8am and 2pm. Partly sunny, with a high near 71. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Saturday
Showers. High near 65. Chance of precipitation is 80%.
Saturday Night
Showers likely. Cloudy, with a low around 52. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Lawrenceville NJ
40.27°N 74.75°W (Elev. 95 ft)
40.27°N 74.75°W (Elev. 95 ft)
2:45 pm EDT May 18, 2026
3pm EDT May 18, 2026-6pm EDT May 25, 2026
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