Trenton-Mercer Airport (TTN) Weather 07/13/2026
This Afternoon
87
Chance Showers
Tonight
67
Chance Showers and Patchy Fog
Saturday
83
Patchy Fog then Chance T-storms
Saturday Night
63
Chance T-storms then Partly Cloudy
Sunday
85
Sunny
Sunday Night
63
Mostly Clear
Monday
86
Sunny
Monday Night
65
Mostly Clear
Tuesday
90
Sunny
Tuesday Night
71
Mostly Clear
Wednesday
93
Sunny
Wednesday Night
70
Partly Cloudy
Thursday
92
Mostly Sunny
Weekly Forecast
This Afternoon
A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 87. West wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Patchy fog after 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 83. Northeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 85. Northeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 92.