Weather in Allentown, PA
Updated 2026-08-11 11:15 local time · ZIP codes 18101, 18102, 18103, 18104 + more
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
82°9% rain85°7% rain
88°5% rain89°4% rain90°3% rain90°3% rain89°3% rain90°2% rain86°2% rain82°5% rain
78°7% rain77°9% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 9%).
It feels like 89°F with winds near 5 mph.
82°F, 5% rain chance and 2 mph wind.
Visibility is around 6 mi; gusts may reach 10 mph.
Current temperature is 82°F, wind 5 mph, rain chance up to 9%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Allentown weather today
Sunny and 82°F in Allentown, PA. Today's high is 90°F with a 8% rain chance. Winds are around 5 mph with gusts near 6 mph. Relative humidity is 77%, pressure is 29.91 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Allentown
Sunrise is at 06:08 AM and sunset is at 08:05 PM. Tomorrow's forecast calls for Sunny with a high near 84°F and a low near 66°F. The maximum rain chance is 71%.