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.

Fair

77°F

25°C

Humidity 79%
Wind Speed Vrbl 7 mph
Barometer 30.05 in (1016.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 12 Jul 8:53 pm EDT
Extended Forecast for

Richboro PA

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 88 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 87. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 71. Calm wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 87. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 71. Calm wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Richboro PA
 40.23°N 74.99°W (Elev. 266 ft)
Last Update:
4:12 pm EDT Jul 12, 2025
Forecast Valid:
9pm EDT Jul 12, 2025-6pm EDT Jul 19, 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