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

Excessive Rainfall Areas Today; Tropical Storm Jerry Forms

Heavy to excessive rainfall is possible today and tonight ahead of and along a cold front crossing portions of Kentucky, middle Tennessee, the Ohio Valley and New Mexico. Tropical Storm Jerry, the tenth named storm of the 2025 season, has formed over the central tropical Atlantic. Jerry is expected to be near or north of the northern Leeward Islands on Thursday and Friday. Read More >

Current conditions at

Quakertown Airport (KUKT)

Lat: 40.44°NLon: 75.38°WElev: 509ft.

Fair

77°F

25°C

Humidity 61%
Wind Speed S 10 G 17 mph
Barometer 30.05 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 7 Oct 4:55 pm EDT
Extended Forecast for

Mertztown PA

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 58. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Showers
    Likely then
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 66. North wind 10 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers
    Likely then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 42. North wind 10 to 15 mph.

    Low: 42 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 58. North wind around 10 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 36. Northeast wind around 5 mph.

    Low: 36 °F

    Clear

  • Friday

    Friday: Areas of frost before 8am. Otherwise, sunny, with a high near 61.

    High: 61 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 58. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers likely, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 66. North wind 10 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Clear, with a low around 42. North wind 10 to 15 mph.
Thursday
Sunny, with a high near 58. North wind around 10 mph.
Thursday Night
Clear, with a low around 36. Northeast wind around 5 mph.
Friday
Areas of frost before 8am. Otherwise, sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 47.
Columbus Day
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mertztown PA
 40.48°N 75.67°W (Elev. 896 ft)
Last Update:
4:09 pm EDT Oct 7, 2025
Forecast Valid:
5pm EDT Oct 7, 2025-6pm EDT Oct 14, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation