Dangerous Heat and Humidity Through Saturday

Dangerously hot and humid conditions are expected to continue through Saturday. Additionally, there will be a threat of thunderstorms through Sunday. View this briefing for details. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

72°F

22°C

Humidity 87%
Wind Speed Calm
Barometer 29.96 in (1014.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 4 Jul 12:51 am EDT
Extended Forecast for

Bethlehem PA

Extreme Heat Warning July 4, 01:36am until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 4, 01:36am until July 4, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Overnight

    Low: 74 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Increasing clouds, with a high near 96. Heat index values as high as 102. West wind 5 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 3am.  Mostly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 86. Calm wind.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 68. East wind around 5 mph becoming calm.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 68 °F

    Heavy Rain

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am.  High near 78. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely.  Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. Northwest wind around 5 mph.
Independence Day
A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 96. Heat index values as high as 102. West wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely, mainly before 3am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 68. East wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 78. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 65. Chance of precipitation is 80%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
A chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Bethlehem PA
 40.63°N 75.38°W (Elev. 299 ft)
10:08 pm EDT Jul 3, 2026
1am EDT Jul 4, 2026-6pm EDT Jul 10, 2026
 
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