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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

71°F

22°C

Humidity 100%
Wind Speed NW 3 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 71°F (22°C)
Visibility 9.00 mi
Last update 18 Aug 12:51 am EDT
Extended Forecast for

2 Miles NNE Trexlertown PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. Northeast wind 5 to 10 mph.

    Low: 63 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 72. Northeast wind 10 to 15 mph.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of showers. Mostly cloudy, with a low around 61. Northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Partly sunny, with a high near 75. East wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 75 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. East wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 20%.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. Northeast wind 5 to 10 mph.
Monday
Mostly cloudy, with a high near 72. Northeast wind 10 to 15 mph.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 61. Northeast wind around 5 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers after 2pm. Partly sunny, with a high near 75. East wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 60. East wind around 5 mph.
Wednesday
A slight chance of showers after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
A chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Trexlertown PA
 40.58°N 75.59°W (Elev. 427 ft)
Last Update:
4:11 pm EDT Aug 17, 2025
Forecast Valid:
12am EDT Aug 18, 2025-6pm EDT Aug 24, 2025
 
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