National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

54°F

12°C

Humidity 97%
Wind Speed N 7 mph
Barometer 29.74 in (1006.4 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 12 Oct 4:53 am EDT
Extended Forecast for

Cranbury NJSimilar City Names

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Patchy fog. Otherwise, cloudy, with a low around 55. North wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely and
    Patchy Fog

  • Columbus Day

    Columbus Day: A chance of showers and thunderstorms before 8am. Cloudy through mid morning, then gradual clearing, with a high near 74. North wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Southwest wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Patchy fog. Otherwise, cloudy, with a low around 55. North wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Columbus Day
A chance of showers and thunderstorms before 8am. Cloudy through mid morning, then gradual clearing, with a high near 74. North wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 63. Southwest wind around 5 mph.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Cranbury NJSimilar City Names
 40.31°N 74.51°W (Elev. 112 ft)
Last Update:
4:09 am EDT Oct 12, 2026
Forecast Valid:
5am EDT Oct 12, 2026-6pm EDT Oct 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation