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 Index | 83°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
NOW until 8:00pm Wed
Heat Advisory
Today
High: 88 °F
Sunny then
Showers
LikelyTonight
Low: 54 °F
Showers
Likely then
Chance
ShowersThursday
High: 64 °F
Showers
Likely then
Chance
ShowersThursday Night

Low: 50 °F
Partly Cloudy
Friday

High: 63 °F
Chance
ShowersFriday Night

Low: 47 °F
Showers
Saturday

High: 54 °F
Showers
Saturday Night

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%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mertztown PA
40.48°N 75.67°W (Elev. 896 ft)
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



