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

Briefing for Late June Heat Wave

An early season heat wave will bring dangerously hot and humid conditions across most of the region beginning Sunday through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Quakertown Airport (KUKT)

Lat: 40.44°NLon: 75.38°WElev: 509ft.

Fair

84°F

29°C

Humidity 51%
Wind Speed W 5 mph
Barometer 30.15 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 21 Jun 12:55 pm EDT
Extended Forecast for

Zionsville PA

Extreme Heat Warning June 22, 08:00am until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 88. Southwest wind 5 to 10 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Southwest wind around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. Southwest wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 96. Northwest wind around 5 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 30%.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 88. Southwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 70. Southwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 93. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 75. Southwest wind around 5 mph.
Monday
Sunny, with a high near 96. Northwest wind around 5 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Zionsville PA
 40.49°N 75.52°W (Elev. 722 ft)
Last Update:
7:45 am EDT Jun 21, 2025
Forecast Valid:
12pm EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
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