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.

Fog/Mist

38°F

3°C

Humidity 89%
Wind Speed E 5 mph
Barometer 29.80 in (1008.7 mb)
Dewpoint 35°F (2°C)
Visibility 3.00 mi
Wind Chill34°F (1°C)
Last update 18 Feb 11:53 am EST
Extended Forecast for

Tullytown PA

  • This Afternoon

    This Afternoon: Rain likely, mainly between 3pm and 5pm. Cloudy, with a high near 45. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely, mainly before 8pm. Cloudy, with a low around 36. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely
    then Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 45. East wind 5 to 10 mph.

    High: 45 °F

    Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly after 7pm. Low around 37. East wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Friday

    Friday: Rain. High near 46. East wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain

  • Friday Night

    Friday Night: A slight chance of rain before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow before 1pm, then snow likely. Cloudy, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Rain likely, mainly between 3pm and 5pm. Cloudy, with a high near 45. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly before 8pm. Cloudy, with a low around 36. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Cloudy, with a high near 45. East wind 5 to 10 mph.
Thursday Night
Rain, mainly after 7pm. Low around 37. East wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 46. East wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A slight chance of rain before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 50.
Saturday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Sunday
A chance of rain and snow before 1pm, then snow likely. Cloudy, with a high near 40. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tullytown PA
 40.14°N 74.83°W (Elev. 39 ft)
Last Update:
11:37 am EST Feb 18, 2026
Forecast Valid:
12pm EST Feb 18, 2026-6pm EST Feb 24, 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