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.
Fair
77°F
25°C
| Humidity | 77% |
| Wind Speed | W 5 mph |
| Barometer | 30.05 in (1016.7 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 25 Jun 5:53 am EDT |
Extended Forecast for
Fairless Hills PA
Extreme Heat Warning June 25, 06:55am until June 25, 08:00pm
NOW until 8:00pm Wed
Extreme Heat Warning
Today
High: 98 °F
Sunny then
Scattered
T-stormsTonight
Low: 75 °F
Scattered
T-stormsThursday
High: 84 °F
Showers
LikelyThursday Night
Low: 64 °F
Showers
LikelyFriday
High: 72 °F
Chance
ShowersFriday Night
Low: 65 °F
Chance
T-stormsSaturday
High: 85 °F
Chance
T-stormsSaturday Night
Low: 70 °F
Chance
T-storms
Detailed Forecast
Today
Scattered showers and thunderstorms after 2pm. Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms, mainly between 8pm and 11pm. Partly cloudy, with a low around 75. North wind around 5 mph becoming calm. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. East 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.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 72. East wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Additional Forecasts and Information
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Point Forecast:
Fairless Hills PA
40.19°N 74.88°W (Elev. 190 ft)
40.19°N 74.88°W (Elev. 190 ft)
4:11 am EDT Jun 25, 2025
6am EDT Jun 25, 2025-6pm EDT Jul 1, 2025
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