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.

Fair

33°F

1°C

Humidity 52%
Wind Speed NW 10 G 17 mph
Barometer 30.07 in (1017.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 13 Mar 1:53 am EDT
Extended Forecast for

Cranbury NJ

  • Overnight

    Overnight: Clear, with a low around 28. West wind around 5 mph.

    Low: 28 °F

    Clear

  • Friday

    Friday: Increasing clouds, with a high near 49. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon.

    High: 49 °F

    Sunny then
    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 53. West wind around 15 mph, with gusts as high as 30 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33. West wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 45. Chance of precipitation is 90%.

    Low: 45 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain. High near 65. Chance of precipitation is 100%.

    High: 65 °F

    Rain

  • Monday Night

    Monday Night: Rain likely, mainly before 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.

    Low: 32 °F

    Rain Likely

Detailed Forecast

Overnight
Clear, with a low around 28. West wind around 5 mph.
Friday
Increasing clouds, with a high near 49. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 37. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 53. West wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 33. West wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 53.
Sunday Night
Rain, mainly after 2am. Low around 45. Chance of precipitation is 90%.
Monday
Rain. High near 65. Chance of precipitation is 100%.
Monday Night
Rain likely, mainly before 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.
Tuesday
A chance of rain before 8am. Mostly sunny, with a high near 42. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cranbury NJ
 40.31°N 74.51°W (Elev. 112 ft)
Last Update:
4:11 pm EDT Mar 12, 2026
Forecast Valid:
2am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation