Current conditions at
Trenton-Mercer Airport (KTTN)
Lat: 40.28°NLon: 74.82°WElev: 210ft.
Fair
44°F
7°C
| Humidity | 49% |
| Wind Speed | SW 5 mph |
| Barometer | 29.68 in (1004.4 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | NA |
| Wind Chill | 41°F (5°C) |
| Last update | 14 Jan 2:53 am EST |
Extended Forecast for
Hopewell NJ
Today
High: 50 °F
Slight Chance
RainTonight
Low: 29 °F
Chance Rain
then
Rain/Snow
LikelyThursday
High: 35 °F
Slight Chance
Rain/Snow
then Slight
Chance Snow
ShowersThursday Night
Low: 18 °F
Decreasing
CloudsFriday
High: 32 °F
Mostly Sunny
Friday Night
Low: 25 °F
Mostly Cloudy
Saturday
High: 40 °F
Chance Snow
then Chance
Rain/SnowSaturday Night
Low: 22 °F
Mostly Cloudy
Sunday
High: 30 °F
Mostly Sunny
Detailed Forecast
Today
A slight chance of rain before 3pm, then a slight chance of rain after 4pm. Cloudy, with a high near 50. Southwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 20%.
Tonight
Rain likely before 4am, then a chance of rain and snow. Cloudy, with a low around 29. Light and variable wind becoming west 5 to 10 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A slight chance of rain and snow showers before 7am, then a slight chance of snow showers between 7am and 1pm. Partly sunny, with a high near 35. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 18. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 32. West wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 17.
M.L.King Day
Mostly sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 25.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Hopewell NJ
40.4°N 74.78°W (Elev. 341 ft)
40.4°N 74.78°W (Elev. 341 ft)
4:12 am EST Jan 14, 2026
4am EST Jan 14, 2026-6pm EST Jan 20, 2026
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