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

56°F

13°C

Humidity 93%
Wind Speed NE 7 mph
Barometer 30.03 in (1016.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Apr 2:53 am EDT
Extended Forecast for

4 Miles N Windsor NJ

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. East wind around 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. East wind 5 to 10 mph.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 48. Southeast wind 5 to 10 mph becoming light east after midnight. Chance of precipitation is 20%.

    Low: 48 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly between 8am and 2pm. High near 59. Northwest wind 5 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 36. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: A slight chance of showers before 2pm. Mostly sunny, with a high near 52. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. East wind around 5 mph.
Saturday
Mostly sunny, with a high near 66. East wind 5 to 10 mph.
Saturday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 48. Southeast wind 5 to 10 mph becoming light east after midnight. Chance of precipitation is 20%.
Sunday
Showers, mainly between 8am and 2pm. High near 59. Northwest wind 5 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 36. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A slight chance of showers before 2pm. Mostly sunny, with a high near 52. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Windsor NJ
 40.28°N 74.63°W (Elev. 98 ft)
Last Update:
1:45 am EDT Apr 18, 2026
Forecast Valid:
3am EDT Apr 18, 2026-6pm EDT Apr 24, 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