Hazardous Weather Conditions
Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
40°F
4°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.10 in (1018.8 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 19 Apr 10:53 pm EDT |
Extended Forecast for
3 Miles SE Sergeantsville NJ
Freeze Watch April 21, 12:00am until April 21, 09:00am
Frost Advisory April 20, 02:00am until April 20, 08:00am
Tonight

Low: 35 °F
Patchy Frost
Monday
High: 52 °F
Slight Chance
Showers then
Partly SunnyMonday Night

Low: 28 °F
Decreasing
CloudsTuesday

High: 54 °F
Sunny
Tuesday Night
Low: 40 °F
Mostly Cloudy
then Chance
ShowersWednesday

High: 65 °F
Chance
ShowersWednesday Night

Low: 42 °F
Mostly Clear
Thursday

High: 72 °F
Sunny
Thursday Night

Low: 47 °F
Partly Cloudy
Detailed Forecast
Tonight
Patchy frost between 4am and 5am. Otherwise, increasing clouds, with a low around 35. Calm wind.
Monday
A slight chance of showers before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 52. Northwest wind 5 to 15 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 28. North wind around 5 mph.
Tuesday
Sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 40. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 30%.
Wednesday
A chance of showers, mainly before 8am. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 72.
Friday Night
A chance of showers. Partly cloudy, with a low around 46. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles SE Sergeantsville NJ
40.42°N 74.92°W (Elev. 200 ft)
40.42°N 74.92°W (Elev. 200 ft)
4:11 pm EDT Apr 19, 2026
11pm EDT Apr 19, 2026-6pm EDT Apr 26, 2026



