National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Multiple Hazards through Upcoming Weekend

The threat of severe thunderstorms will exist in the Midwest and Ohio Valley through Friday. Elevated to critical fire weather conditions will be in place across the Four-Corners through the weekend. Early season heat with likely record high temperatures will spread from the South into the Ohio Valley, Mid-Atlantic, and Northeast on Friday, Saturday and perhaps Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fog

56°F

13°C

Humidity 100%
Wind Speed NE 5 mph
Barometer 29.91 in (1012.1 mb)
Dewpoint 56°F (13°C)
Visibility 0.25 mi
Last update 20 May 6:53 am EDT
Extended Forecast for

2 Miles WNW Windsor NJ

Heat Advisory May 21, 11:00am until May 21, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A chance of showers and thunderstorms, mainly after 5pm. Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 82. Light east wind becoming south 10 to 15 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Patchy Dense
    Fog then
    Chance
    T-storms

    High: 82 °F

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 9pm. Some of the storms could produce gusty winds. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph becoming light south after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely then
    Patchy Fog

    Low: 65 °F

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, mostly sunny and hot, with a high near 97. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon.

    Patchy Fog
    then Sunny

    High: 97 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 72. Southwest wind around 5 mph.

    Partly Cloudy

    Low: 72 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Mostly Sunny
    then Chance
    T-storms

    High: 93 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 65 °F

  • Monday

    Monday: Partly sunny, with a high near 77.

    Partly Sunny

    High: 77 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 57.

    Mostly Cloudy

    Low: 57 °F

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 70.

    Mostly Cloudy

    High: 70 °F

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 5pm. Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 82. Light east wind becoming south 10 to 15 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 9pm. Some of the storms could produce gusty winds. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph becoming light south after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny and hot, with a high near 97. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 72. Southwest wind around 5 mph.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Partly sunny, with a high near 77.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
Mostly cloudy, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles WNW Windsor NJ
 40.23°N 74.67°W (Elev. 98 ft)
Last Update:
7:10 am EDT May 20, 2022
Forecast Valid:
7am EDT May 20, 2022-6pm EDT May 26, 2022
 
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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