Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Quakertown Airport (KUKT)

Lat: 40.44°NLon: 75.38°WElev: 509ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update 20 Mar 9:15 pm EDT
Extended Forecast for

Mertztown PA

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 1am.  Mostly cloudy, with a low around 45. Southwest wind 5 to 10 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 55. North wind around 10 mph.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. Calm wind becoming south around 5 mph after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 67. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 67 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers likely after 11pm.  Mostly cloudy, with a low around 45. Southwest wind around 10 mph becoming north after midnight.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 2pm.  Partly sunny, with a high near 49. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 45. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 55. North wind around 10 mph.
Saturday Night
Mostly cloudy, with a low around 41. Calm wind becoming south around 5 mph after midnight.
Sunday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 67. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers likely after 11pm. Mostly cloudy, with a low around 45. Southwest wind around 10 mph becoming north after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers before 2pm. Partly sunny, with a high near 49. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Friday
A chance of rain. Partly sunny, with a high near 50. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mertztown PA
 40.48°N 75.67°W (Elev. 896 ft)
4:09 pm EDT Mar 20, 2026
9pm EDT Mar 20, 2026-6pm EDT Mar 27, 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