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

Hazardous Weather Conditions

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

66°F

19°C

Humidity 56%
Wind Speed SE 15 G 22 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 18 Apr 6:51 pm EDT
Extended Forecast for

4 Miles NW Stewartsville NJ

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Tonight

    Tonight: A chance of showers, mainly after 4am. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 47. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers, mainly before 2pm. Patchy fog before 8am. High near 51. Northwest wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Showers and
    Patchy Fog
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers before 2pm. Mostly sunny, with a high near 48. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Patchy frost after 11pm. Otherwise, mostly clear, with a low around 28. North wind around 5 mph.

    Low: 28 °F

    Patchy Frost

  • Tuesday

    Tuesday: Areas of frost before 10am. Otherwise, sunny, with a high near 52.

    High: 52 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.

    Low: 38 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Partly sunny, with a high near 63. Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, mainly after 4am. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 47. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 2pm. Patchy fog before 8am. High near 51. Northwest wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Partly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers before 2pm. Mostly sunny, with a high near 48. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
Patchy frost after 11pm. Otherwise, mostly clear, with a low around 28. North wind around 5 mph.
Tuesday
Areas of frost before 10am. Otherwise, sunny, with a high near 52.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Wednesday
A chance of showers before 8am. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 48.
Saturday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Stewartsville NJ
 40.73°N 75.15°W (Elev. 594 ft)
Last Update:
4:11 pm EDT Apr 18, 2026
Forecast Valid:
7pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation