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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

83°F

28°C

Humidity 34%
Wind Speed NW 12 mph
Barometer 29.92 in (1012.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Sep 5:51 pm EDT
Extended Forecast for

Nazareth PA

  • Tonight

    Tonight: Clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Clear

  • Friday

    Friday: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 84. Light west wind becoming northwest 5 to 10 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. North wind around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. East wind around 5 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Friday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 84. Light west wind becoming northwest 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 53. North wind around 5 mph.
Saturday
Sunny, with a high near 75. East wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nazareth PA
 40.73°N 75.33°W (Elev. 427 ft)
Last Update:
4:44 pm EDT Sep 18, 2025
Forecast Valid:
6pm EDT Sep 18, 2025-6pm EDT Sep 25, 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