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Weather in Allentown, Pennsylvania, USA

Now
48 °F

Sunny.


Feels Like: 46 °F
Forecast: 57 / 44 °F
Wind: 5 mph ↑ from Northwest

Location: Lehigh Valley International Airport
Current Time: Mar 21, 2026 at 8:20:15 am
Latest Report: Mar 21, 2026 at 7:51 am
Visibility: 10 mi
Pressure: 29.84 "Hg
Humidity: 80%
Dew Point: 42 °F
Location of Allentown Location

Upcoming 5 hours

Now 9:00 am 10:00 am 11:00 am 12:00 pm 1:00 pm
48 °F 46 °F 47 °F 48 °F 50 °F 52 °F

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Forecast for the next 48 hours

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  Saturday Sunday
  Morning Afternoon Evening Night Morning Afternoon Evening
Forecast
Temperature 46 °F 55 °F 50 °F 44 °F 45 °F 69 °F 59 °F
Mostly sunny. Broken clouds. Overcast. Overcast. Overcast. A few thunder­storms. Overcast. Thunderstorms. Overcast.
Feels Like 40 °F 53 °F 50 °F 41 °F 41 °F 69 °F 59 °F
Wind Speed 11 mph 8 mph 2 mph 6 mph 7 mph 13 mph 5 mph
Wind Direction NNW
↑ 		NNW
↑ 		SE
↑ 		S
↑ 		SSW
↑ 		SW
↑ 		NNW
↑
Humidity 71% 42% 58% 72% 83% 52% 76%
Dew Point 37 °F 33 °F 36 °F 36 °F 40 °F 50 °F 52 °F
Visibility 7 mi 8 mi 7 mi 5 mi 6 mi 7 mi 2 mi
Probability of Precipitation 4% 0% 0% 0% 0% 0% 44%
Amount of Rain 0.00" 0.00" 0.00" 0.00" 0.00" 0.04" 0.57"
Amount of Snow 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
* Updated Saturday, March 21, 2026 3:42:42 am Allentown time - Weather by CustomWeather, © 2026

14 day forecast, day-by-day Hour-by-hour forecast for next week

Yesterday's weather

Fog. 65 / 32 °F
Humidity: 72%. Wind: 5 mph ↑ from Southwest

More weather last week

Currently at nearby stations

48 °F

Quakertown Airport: (12 mi)

Scattered clouds.

46 °F

Pottstown Limerick Airport: (25 mi)

Fog.

52 °F

Doylestown Airport: (26 mi)

Fog.

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Forecast for the next 2 weeks

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Sun Mon Tue Wed Thu Fri Sat
15
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20

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Detailed forecast for 14 days

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