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Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
79°F
26°C
| Humidity | 60% |
| Wind Speed | W 8 mph |
| Barometer | 29.85 in (1010.2 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 14 Oct 2:53 pm EDT |
Extended Forecast for
Monmouth Junction NJ
This Afternoon
High: 80 °F
Slight Chance
T-stormsTonight
Low: 53 °F
Mostly Cloudy
Thursday
High: 65 °F
Sunny
Thursday Night
Low: 53 °F
Partly Cloudy
then ShowersFriday
High: 77 °F
Showers
LikelyFriday Night
Low: 45 °F
Showers
Saturday
High: 54 °F
Mostly Sunny
and BreezySaturday Night
Low: 35 °F
Areas Frost
Sunday
High: 57 °F
Areas Frost
then Sunny
Detailed Forecast
This Afternoon
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 80. West wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 53. West wind around 5 mph becoming north after midnight.
Thursday
Sunny, with a high near 65. North wind around 5 mph.
Thursday Night
A chance of showers, then showers and possibly a thunderstorm after 3am. Low around 53. Calm wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 77. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 54. Breezy.
Saturday Night
Areas of frost. Otherwise, mostly clear, with a low around 35.
Sunday
Areas of frost before 10am. Otherwise, sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 66.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Monmouth Junction NJ
40.38°N 74.55°W (Elev. 98 ft)
40.38°N 74.55°W (Elev. 98 ft)
2:21 pm EDT Oct 14, 2026
3pm EDT Oct 14, 2026-6pm EDT Oct 21, 2026
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