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.

Light Snow

37°F

3°C

Humidity 76%
Wind Speed NW 9 G 21 mph
Barometer 29.84 in (1009.7 mb)
Dewpoint 30°F (-1°C)
Visibility 9.00 mi
Wind Chill30°F (-1°C)
Last update 12 Mar 2:53 pm EDT
Extended Forecast for

Tullytown PA

  • This Afternoon

    This Afternoon: Rain before 4pm, then rain and snow. Steady temperature around 36. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow likely before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 30. West wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    Likely then
    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 50. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 50 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53. West wind 10 to 15 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 55.

    High: 55 °F

    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain. High near 66. Chance of precipitation is 90%.

    High: 66 °F

    Rain

Detailed Forecast

This Afternoon
Rain before 4pm, then rain and snow. Steady temperature around 36. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain and snow likely before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 30. West wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Increasing clouds, with a high near 50. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 40. South wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 53. West wind 10 to 15 mph.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Cloudy, with a high near 55.
Sunday Night
Rain, mainly after 2am. Low around 48. Chance of precipitation is 80%.
Monday
Rain. High near 66. Chance of precipitation is 90%.
Monday Night
Rain likely, mainly before 2am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Tuesday
A chance of rain. Mostly sunny, with a high near 41. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tullytown PA
 40.12°N 74.83°W (Elev. 13 ft)
Last Update:
6:09 am EDT Mar 12, 2026
Forecast Valid:
3pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation