Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Current conditions at

Quakertown Airport (KUKT)

Lat: 40.44°NLon: 75.38°WElev: 509ft.

Fair

84°F

29°C

Humidity 40%
Wind Speed Vrbl 5 mph
Barometer 29.86 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 26 Jul 4:35 pm EDT
Extended Forecast for

2 Miles ENE Mertztown PA

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms after 5pm.  Mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph.  Chance of precipitation is 20%.

    High: 82 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 11pm.  Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 63. Calm wind.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Scattered
    T-storms and
    Patchy Fog

  • Monday

    Monday: Scattered showers and thunderstorms after 2pm.  Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 84. Calm wind becoming west around 5 mph.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Patchy Fog
    then
    Scattered
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 3am, then a chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 66. Southwest wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms between 7am and 8am, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall.  High near 75. Southwest wind 5 to 10 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 75 °F

    Heavy Rain

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Some of the storms could produce heavy rainfall.  Low around 65. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Low: 65 °F

    Heavy Rain

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm.  Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms after 5pm. Mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms, mainly before 11pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Scattered showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming west around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 3am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 66. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms between 7am and 8am, then showers and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. High near 75. Southwest wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tuesday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Some of the storms could produce heavy rainfall. Low around 65. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Mertztown PA
 40.5°N 75.66°W (Elev. 499 ft)
4:08 pm EDT Jul 26, 2026
4pm EDT Jul 26, 2026-6pm EDT Aug 2, 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