



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
85°F
29°C
Humidity | 50% |
Wind Speed | Vrbl 3 mph |
Barometer | 30.14 in (1020.2 mb) |
Dewpoint | 64°F (18°C) |
Visibility | 10.00 mi |
Heat Index | 86°F (30°C) |
Last update | 21 Jun 12:51 pm EDT |
Extended Forecast for
Allentown PA
Extreme Heat Warning June 22, 08:00am until June 25, 08:00pm
This Afternoon
High: 89 °F
Partly Sunny
Tonight
Low: 70 °F
Partly Cloudy
Sunday
High: 95 °F
Mostly Sunny
Sunday Night
Low: 75 °F
Mostly Clear
Monday
High: 99 °F
Hot
Monday Night
Low: 77 °F
Mostly Clear
Tuesday
High: 99 °F
Hot
Tuesday Night
Low: 76 °F
Mostly Clear
Wednesday
High: 95 °F
Sunny then
Chance
T-storms
Detailed Forecast
This Afternoon
Partly sunny, with a high near 89. Southwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 70. Calm wind becoming southwest around 5 mph.
Sunday
Mostly sunny, with a high near 95. Heat index values as high as 105. West wind 5 to 15 mph.
Sunday Night
Mostly clear, with a low around 75. West wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 99. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
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. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Allentown PA
40.59°N 75.47°W (Elev. 299 ft)
40.59°N 75.47°W (Elev. 299 ft)
1:23 pm EDT Jun 21, 2025
1pm EDT Jun 21, 2025-6pm EDT Jun 27, 2025