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

Major Winter Storm Anticipated Sunday into Monday

Potentially significant snowfall is forecast from a winter storm Sunday into Monday. View the latest briefing here. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fog/Mist

35°F

2°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.71 in (1005.5 mb)
Dewpoint 35°F (2°C)
Visibility 5.00 mi
Last update 20 Feb 10:53 pm EST
Extended Forecast for

Tullytown PA

Winter Storm Watch February 22, 06:00am until February 23, 06:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 36. West wind 5 to 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 48. Northwest wind 5 to 10 mph.

    High: 48 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 32. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 32 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Snow, possibly mixed with rain, becoming all snow after 4pm. High near 41. East wind 5 to 15 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Low around 31. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 31 °F

    Heavy Snow

  • Monday

    Monday: Snow likely, mainly before 1pm. Cloudy, with a high near 38. Chance of precipitation is 60%.

    High: 38 °F

    Snow Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. West wind 5 to 10 mph.
Saturday
Increasing clouds, with a high near 48. Northwest wind 5 to 10 mph.
Saturday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 32. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
Snow, possibly mixed with rain, becoming all snow after 4pm. High near 41. East wind 5 to 15 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Snow. The snow could be heavy at times. Low around 31. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Monday
Snow likely, mainly before 1pm. Cloudy, with a high near 38. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 50%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 43.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tullytown PA
 40.14°N 74.83°W (Elev. 39 ft)
Last Update:
4:18 pm EST Feb 20, 2026
Forecast Valid:
11pm EST Feb 20, 2026-6pm EST Feb 27, 2026
 
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