
Severe Thunderstorms and Heat Impact July 4th Weekend
A threat for severe thunderstorms will impact the July 4th weekend, bringing the potential for damaging wind gusts and localized flash flooding through Sunday. Hazardous heat continues into Sunday as well. Read More >
Hazardous Weather Conditions
Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
A Few Clouds
73°F
23°C
| Humidity | 90% |
| Wind Speed | N 5 mph |
| Barometer | 29.88 in (1011.1 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 5 Jul 2:53 am EDT |
Extended Forecast for
3 Miles NNE White Horse NJ
Flood Watch July 5, 02:00pm until July 6, 08:00pm
Heat Advisory July 5, 08:00am until July 5, 08:00pm
Overnight

Low: 73 °F
Slight Chance
Showers and
Patchy FogSunday
High: 88 °F
Mostly Cloudy
then Heavy
RainSunday Night

Low: 69 °F
Heavy Rain
Monday

High: 77 °F
Showers
Monday Night

Low: 64 °F
Showers
Tuesday

High: 78 °F
Showers
LikelyTuesday Night
Low: 63 °F
Chance
T-storms then
Chance
ShowersWednesday

High: 82 °F
Partly Sunny
Wednesday Night

Low: 65 °F
Partly Cloudy
Detailed Forecast
Overnight
A slight chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms, mainly after 3pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 88. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then showers likely after 5am. Some of the storms could produce heavy rainfall. Low around 69. East wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday
Showers before 8am, then a chance of showers and thunderstorms between 8am and 10am, then showers and possibly a thunderstorm after 10am. High near 77. East wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 64. Northeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NNE White Horse NJ
40.24°N 74.69°W (Elev. 85 ft)
40.24°N 74.69°W (Elev. 85 ft)
2:51 am EDT Jul 5, 2026
3am EDT Jul 5, 2026-6pm EDT Jul 11, 2026



