October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

49°F

9°C

Humidity 59%
Wind Speed Calm
Barometer 30.13 in (1019.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 6 Oct 2:53 am EDT
Extended Forecast for

Princeton NJ

  • Overnight

    Overnight: Mostly clear, with a low around 44. Northwest wind around 10 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. Northwest wind 5 to 15 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy frost after 2am.  Otherwise, mostly clear, with a low around 39. West wind around 5 mph becoming calm  in the evening.

    Low: 39 °F

    Mostly Clear
    then Patchy
    Frost

  • Wednesday

    Wednesday: Patchy frost before 9am.  Otherwise, sunny, with a high near 69. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 69 °F

    Patchy Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. South wind 5 to 10 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 44. Northwest wind around 10 mph.
Tuesday
Sunny, with a high near 63. Northwest wind 5 to 15 mph.
Tuesday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 39. West wind around 5 mph becoming calm in the evening.
Wednesday
Patchy frost before 9am. Otherwise, sunny, with a high near 69. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 52. South wind 5 to 10 mph.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 71.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Columbus Day
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Princeton NJ
 40.35°N 74.67°W (Elev. 190 ft)
3:42 am EDT Oct 6, 2026
3am EDT Oct 6, 2026-6pm EDT Oct 12, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database