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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

61°F

16°C

Humidity 84%
Wind Speed NE 10 mph
Barometer 30.24 in (1023.4 mb)
Dewpoint 56°F (13°C)
Visibility 9.00 mi
Last update 4 Oct 9:53 am EDT
Extended Forecast for

Tullytown PA

  • Today

    Today: A chance of showers. Cloudy, with a high near 66. Northeast wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 2am. Patchy fog before 2am, then patchy fog after 3am. Otherwise, cloudy, with a low around 57. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 70. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 47. Northwest wind around 5 mph.

    Low: 47 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64. Northwest wind around 5 mph.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Today
A chance of showers. Cloudy, with a high near 66. Northeast wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of showers before 2am. Patchy fog before 2am, then patchy fog after 3am. Otherwise, cloudy, with a low around 57. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 70. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 47. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 64. Northwest wind around 5 mph.
Tuesday Night
Clear, with a low around 45.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tullytown PA
 40.14°N 74.8°W (Elev. 16 ft)
Last Update:
4:09 am EDT Oct 4, 2026
Forecast Valid:
10am EDT Oct 4, 2026-6pm EDT Oct 10, 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