



Briefing for Late June Heat Wave
An early season heat wave will bring dangerously hot and humid conditions across most of the region beginning Sunday through Wednesday. Read More >
Hazardous Weather Conditions
Current conditions at
Allentown, Lehigh Valley International Airport (KABE)
Lat: 40.65°NLon: 75.45°WElev: 384ft.
Fair
78°F
26°C
Humidity | 52% |
Wind Speed | W 8 mph |
Barometer | 29.99 in (1015.3 mb) |
Dewpoint | 59°F (15°C) |
Visibility | 10.00 mi |
Heat Index | 79°F (26°C) |
Last update | 20 Jun 7:51 pm EDT |
Extended Forecast for
Allentown PA
Extreme Heat Watch June 22, 08:00am until June 25, 08:00pm
Tonight
Low: 65 °F
Partly Cloudy
Saturday
High: 89 °F
Mostly Sunny
then Slight
Chance
T-stormsSaturday Night
Low: 70 °F
Partly Cloudy
Sunday
High: 94 °F
Mostly Sunny
Sunday Night
Low: 75 °F
Mostly Clear
Monday
High: 98 °F
Hot
Monday Night
Low: 75 °F
Mostly Clear
Tuesday
High: 98 °F
Hot
Tuesday Night
Low: 74 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 65. Southwest wind around 5 mph.
Saturday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light west wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 70. Southwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 94. Heat index values as high as 102. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 75. West wind around 5 mph.
Monday
Sunny and hot, with a high near 98.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Allentown PA
40.6°N 75.5°W (Elev. 299 ft)
40.6°N 75.5°W (Elev. 299 ft)
4:11 pm EDT Jun 20, 2025
8pm EDT Jun 20, 2025-6pm EDT Jun 27, 2025