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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Light Rain

78°F

26°C

Humidity 74%
Wind Speed SW 8 mph
Barometer 30.01 in (1015.3 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Heat Index80°F (27°C)
Last update 20 Aug 11:53 am EDT
Extended Forecast for

2 Miles N Tullytown PA

Flood Watch until August 21, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 21, 02:00am

    NOW until 2:00am Fri

    Flood Watch

  • This Afternoon

    High: 83 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms before 11pm, then a slight chance of showers after 3am. Some of the storms could produce heavy rainfall. Low around 65. North wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Low: 65 °F

    Heavy Rain
    then Slight
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 81. North wind around 5 mph.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers, mainly after 5am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 79. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

This Afternoon
A chance of showers, then showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. High near 83. Calm wind becoming southeast around 5 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Showers and thunderstorms before 11pm, then a slight chance of showers after 3am. Some of the storms could produce heavy rainfall. Low around 65. North wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Friday
Partly sunny, with a high near 81. North wind around 5 mph.
Friday Night
A chance of showers, mainly after 5am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 79. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 64. Chance of precipitation is 30%.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Tullytown PA
 40.16°N 74.82°W (Elev. 72 ft)
Last Update:
12:40 pm EDT Aug 20, 2026
Forecast Valid:
12pm EDT Aug 20, 2026-6pm EDT Aug 26, 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