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

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Quakertown Airport (KUKT)

Lat: 40.44°NLon: 75.38°WElev: 509ft.

Overcast

41°F

5°C

Humidity 66%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 18 Nov 8:55 pm EST
Extended Forecast for

Mertztown PA

  • Tonight

    Tonight: Rain, mainly after 1am. Low around 36. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 46. Northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain Likely
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 45. Calm wind.

    High: 45 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of rain before 1am. Cloudy, with a low around 40. Calm wind. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Rain

  • Friday

    Friday: A slight chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.

    Low: 39 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 48. Chance of precipitation is 30%.

    High: 48 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 1am. Low around 36. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 46. Northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 33. Calm wind.
Thursday
Mostly cloudy, with a high near 45. Calm wind.
Thursday Night
A slight chance of rain before 1am. Cloudy, with a low around 40. Calm wind. Chance of precipitation is 20%.
Friday
A slight chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 20%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Saturday
A chance of rain. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 52.
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:
4:10 pm EST Nov 18, 2025
Forecast Valid:
9pm EST Nov 18, 2025-6pm EST Nov 25, 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