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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Quakertown Airport (KUKT)

Lat: 40.44°NLon: 75.38°WElev: 509ft.

Mostly Cloudy

68°F

20°C

Humidity 94%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 28 Aug 12:55 am EDT
Extended Forecast for

Coopersburg PA

Flood Watch August 28, 01:03am until August 28, 04:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 28, 01:03am until August 28, 04:00am

    NOW until 4:00am Fri

    Flood Watch

  • Overnight

    Low: 66 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 83. Calm wind.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 82. Northeast wind around 5 mph becoming calm.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 83. Calm wind.
Friday Night
Partly cloudy, with a low around 61. Calm wind.
Saturday
Sunny, with a high near 82. Northeast wind around 5 mph becoming calm.
Saturday Night
Mostly clear, with a low around 63. Calm wind.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 86.
Monday Night
Mostly cloudy, with a low around 69.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Coopersburg PA
 40.52°N 75.4°W (Elev. 499 ft)
Last Update:
4:08 pm EDT Aug 27, 2026
Forecast Valid:
1am EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
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