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

Areas of Hazardous Weather This Weekend

A series of cold fronts from North Pacific storms will bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this weekend into next week. Heavy to excessive rainfall may produce areas of flooding over southern Texas this weekend. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

54°F

12°C

Humidity 97%
Wind Speed NW 3 mph
Barometer 29.86 in (1011.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 6 Nov 8:51 pm EST
Extended Forecast for

Mertztown PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. West wind 5 to 10 mph.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58. West wind 10 to 15 mph.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43. West wind 10 to 15 mph.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. West wind 10 to 15 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. West wind 10 to 15 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60. Breezy.

    High: 60 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. West wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 58. West wind 10 to 15 mph.
Saturday Night
Partly cloudy, with a low around 43. West wind 10 to 15 mph.
Sunday
Sunny, with a high near 61. West wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 42. West wind 10 to 15 mph.
Monday
Mostly sunny, with a high near 60. Breezy.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 39.
Veterans Day
Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Partly sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mertztown PA
 40.5°N 75.66°W (Elev. 499 ft)
Last Update:
8:53 pm EST Nov 6, 2026
Forecast Valid:
9pm EST Nov 6, 2026-6pm EST Nov 13, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation