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.

Fog/Mist

62°F

17°C

Humidity 96%
Wind Speed S 5 mph
Barometer 29.87 in (1010.9 mb)
Dewpoint 61°F (16°C)
Visibility 1.50 mi
Last update 16 Oct 9:53 am EDT
Extended Forecast for

Richboro PA

  • Today

    Today: A chance of showers, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 80. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 46. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 53. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 53 °F

    Partly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 35. North wind around 10 mph.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 9am. Otherwise, sunny, with a high near 57. North wind 5 to 10 mph.

    High: 57 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 80. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 46. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Partly sunny, with a high near 53. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph.
Saturday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 35. North wind around 10 mph.
Sunday
Patchy frost before 9am. Otherwise, sunny, with a high near 57. North wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Richboro PA
 40.23°N 74.99°W (Elev. 266 ft)
Last Update:
7:53 am EDT Oct 16, 2026
Forecast Valid:
10am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation