Hazardous Weather Conditions

Current conditions at

Quakertown Airport (KUKT)

Lat: 40.44°NLon: 75.38°WElev: 509ft.

Fair

81°F

27°C

Humidity 62%
Wind Speed W 10 G 17 mph
Barometer 30.03 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 20 May 8:55 am EDT
Extended Forecast for

Mertztown PA

Heat Advisory May 20, 09:00am until May 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory May 20, 09:00am until May 20, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Today

    High: 88 °F

    Sunny then
    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a chance of showers after 4am.  Mostly cloudy, with a low around 54. North wind 5 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly before 9am.  Cloudy, with a high near 64. Northeast wind 5 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then becoming partly cloudy, with a low around 50. Southeast wind around 5 mph becoming calm.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers.  Mostly cloudy, with a high near 63. East wind around 10 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers.  Low around 47. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers

  • Saturday

    Saturday: Showers.  High near 54. Chance of precipitation is 90%.

    High: 54 °F

    Showers

  • Saturday Night

    Saturday Night: Showers.  Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 88. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 1am, then a chance of showers after 4am. Mostly cloudy, with a low around 54. North wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, mainly before 9am. Cloudy, with a high near 64. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Cloudy during the early evening, then becoming partly cloudy, with a low around 50. Southeast wind around 5 mph becoming calm.
Friday
A chance of showers. Mostly cloudy, with a high near 63. East wind around 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers. Low around 47. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers. High near 54. Chance of precipitation is 90%.
Saturday Night
Showers. Low around 48. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Sunday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mertztown PA
 40.48°N 75.67°W (Elev. 896 ft)
4:07 am EDT May 20, 2026
9am EDT May 20, 2026-6pm EDT May 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database