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

41°F

5°C

Humidity 67%
Wind Speed E 10 mph
Barometer 30.03 in (1016.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 19 Feb 12:53 pm EST
Extended Forecast for

2 Miles SW Hopewell NJ

  • This Afternoon

    This Afternoon: A slight chance of rain after 4pm. Cloudy, with a high near 43. East wind around 10 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A chance of rain before 1am, then rain likely after 4am. Cloudy, with a low around 35. Northeast wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Chance Rain
    then Rain
    Likely

  • Friday

    Friday: Rain before 4pm, then a slight chance of rain after 5pm. Patchy fog. High near 43. East wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Rain and
    Patchy Fog
    then Rain
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of rain between 7pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 49. West wind around 5 mph.

    High: 49 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Sunday

    Sunday: Snow. High near 38. Chance of precipitation is 80%.

    High: 38 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Cloudy, with a low around 29. Chance of precipitation is 70%.

    Low: 29 °F

    Snow Likely

  • Monday

    Monday: A chance of snow before 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Chance Snow

Detailed Forecast

This Afternoon
A slight chance of rain after 4pm. Cloudy, with a high near 43. East wind around 10 mph. Chance of precipitation is 20%.
Tonight
A chance of rain before 1am, then rain likely after 4am. Cloudy, with a low around 35. Northeast wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain before 4pm, then a slight chance of rain after 5pm. Patchy fog. High near 43. East wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A slight chance of rain between 7pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 49. West wind around 5 mph.
Saturday Night
A slight chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Snow. High near 38. Chance of precipitation is 80%.
Sunday Night
Snow likely, mainly before 1am. Cloudy, with a low around 29. Chance of precipitation is 70%.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
A chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Hopewell NJ
 40.36°N 74.79°W (Elev. 184 ft)
Last Update:
1:19 pm EST Feb 19, 2026
Forecast Valid:
1pm EST Feb 19, 2026-6pm EST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation