Hazardous Weather Conditions
Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
75°F
24°C
| Humidity | 76% |
| Wind Speed | Calm |
| Barometer | 29.99 in (1014.8 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 20 May 1:53 am EDT |
Extended Forecast for
2 Miles NW White Horse NJ
Heat Advisory May 20, 02:25am until May 20, 08:00pm
NOW until 8:00pm Wed

Heat Advisory
Overnight

Low: 73 °F
Mostly Clear
Wednesday
High: 95 °F
Sunny then
Showers
LikelyWednesday Night

Low: 55 °F
Showers
LikelyThursday

High: 67 °F
Chance
ShowersThursday Night

Low: 50 °F
Mostly Cloudy
Friday

High: 65 °F
Chance
ShowersFriday Night

Low: 48 °F
Showers
LikelySaturday

High: 61 °F
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 73. Southwest wind around 5 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 95. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 55. North 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.
Thursday
A chance of showers before 2pm. Mostly cloudy, with a high near 67. North wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 50. Calm wind.
Friday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely. Cloudy, with a low around 48. Chance of precipitation is 70%.
Saturday
Showers. High near 61. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 51. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 8am. Cloudy, with a high near 68. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles NW White Horse NJ
40.22°N 74.73°W (Elev. 52 ft)
40.22°N 74.73°W (Elev. 52 ft)
7:15 pm EDT May 19, 2026
2am EDT May 20, 2026-6pm EDT May 26, 2026



