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

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

84°F

29°C

Humidity 40%
Wind Speed Vrbl 5 mph
Barometer 30.14 in (1020.0 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Heat Index83°F (28°C)
Last update 4 Aug 1:53 pm EDT
Extended Forecast for

Newtown Grant PA

  • Tonight

    Tonight: Increasing clouds, with a low around 64. Southwest wind around 5 mph becoming calm.

    Low: 64 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.

    High: 88 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 82. East wind 5 to 10 mph.

    High: 82 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 65. Northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 64. Southwest wind around 5 mph becoming calm.
Tuesday
Partly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 82. East wind 5 to 10 mph.
Wednesday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 65. Northeast wind around 5 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newtown Grant PA
 40.27°N 74.95°W (Elev. 302 ft)
Last Update:
2:40 pm EDT Aug 4, 2025
Forecast Valid:
3pm EDT Aug 4, 2025-6pm EDT Aug 11, 2025
 
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