Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

84°F

29°C

Humidity 36%
Wind Speed N 7 mph
Barometer 30.14 in (1019.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Aug 3:53 pm EDT
Extended Forecast for

Tullytown PA

  • Tonight

    Tonight: Mostly clear, with a low around 67. North wind around 5 mph becoming calm.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Showers likely, mainly after 4pm.  Increasing clouds, with a high near 84. Light southeast wind becoming south 5 to 10 mph in the morning.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 84 °F

    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 2am.  Low around 69. South wind 5 to 10 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Showers
    Likely then
    Showers

  • Monday

    Monday: Showers likely before 8am, then a slight chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 88. Southwest wind around 5 mph becoming northwest in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 67. North wind around 5 mph becoming calm.
Sunday
Showers likely, mainly after 4pm. Increasing clouds, with a high near 84. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers, with thunderstorms also possible after 2am. Low around 69. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 90.
Wednesday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Tullytown PA
 40.14°N 74.8°W (Elev. 16 ft)
4:09 pm EDT Aug 15, 2026
4pm EDT Aug 15, 2026-6pm EDT Aug 22, 2026
 
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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