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

37°F

3°C

Humidity 96%
Wind Speed NE 7 mph
Barometer 30.31 in (1026.0 mb)
Dewpoint 36°F (2°C)
Visibility 9.00 mi
Wind Chill32°F (0°C)
Last update 6 Mar 7:53 am EST
Extended Forecast for

Cranbury NJSimilar City Names

  • Today

    Today: Patchy fog before noon. Otherwise, cloudy, with a high near 45. Northeast wind around 10 mph.

    High: 45 °F

    Patchy Fog
    then Cloudy

  • Tonight

    Tonight: A chance of rain after 3am. Patchy fog after 8pm. Otherwise, cloudy, with a low around 38. East wind 5 to 10 mph becoming light northeast after midnight. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 1pm. Otherwise, cloudy, with a high near 57. East wind around 5 mph becoming southwest in the afternoon.

    High: 57 °F

    Patchy Fog

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 51. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers. Partly sunny, with a high near 66. West wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before noon. Otherwise, cloudy, with a high near 45. Northeast wind around 10 mph.
Tonight
A chance of rain after 3am. Patchy fog after 8pm. Otherwise, cloudy, with a low around 38. East wind 5 to 10 mph becoming light northeast after midnight. Chance of precipitation is 30%.
Saturday
Patchy fog before 1pm. Otherwise, cloudy, with a high near 57. East wind around 5 mph becoming southwest in the afternoon.
Saturday Night
Showers likely and possibly a thunderstorm. Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 51. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers. Partly sunny, with a high near 66. West wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 55. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cranbury NJSimilar City Names
 40.31°N 74.51°W (Elev. 112 ft)
Last Update:
6:16 am EST Mar 6, 2026
Forecast Valid:
8am EST Mar 6, 2026-6pm EDT Mar 12, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation