Allentown, PA Weather Forecast for 5-Days

Updated: Fri Nov 7th 2025 1:30 PM EST

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Allentown, PA Weather – 11-7 – Scattered Showers
63° / 31°
Scattered Showers
Scattered showers are in the forecast for Allentown, with a high of 63°F and a low of 31°F. The chance of rain is 91% with an estimated 0.07in. Wind will be moderate, blowing around 18mph on average and gusts of 23.2mph at 5 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 93% at 11 PM and 41% being its lowest at 4 PM. Barometric pressure is its highest of 29.89inHg at 2 PM, a lowest point of 29.73inHg at 8 PM with an avg 29.77inHg.
Allentown, PA Weather – 11-8 – Moderate Rain
62° / 47°
Moderate Rain
In Allentown, periods of rain are likely with highs near 62°F and lows around 47°F. The chance of rain is 77% with an estimated 0.5in. Wind will be moderate, blowing around 12mph on average and gusts of 20.7mph at 1 AM. High humidity with average of 92% is anticipated, the maximum being 98% at 7 AM and 82% being its lowest at 3 PM. Barometric pressure is its highest of 29.9inHg at 10 PM, a lowest point of 29.7inHg at 1 AM with an avg 29.79inHg.
Allentown, PA Weather – 11-9 – Overcast
54° / 42°
Overcast
Highs will reach 54°F with lows near 42°F in Allentown, where overcast is. Winds will be light at 9mph and gusts of 9.3mph at 1 PM. High humidity with average of 96% is anticipated, the maximum being 98% at 3 AM and 91% being its lowest at 11 AM. Barometric pressure is its highest of 29.9inHg at 1 AM, a lowest point of 29.74inHg at 9 PM with an avg 29.85inHg.
Allentown, PA Weather – 11-10 – Scattered Showers
44° / 30°
Scattered Showers
On and off showers are set to occur in Allentown, with a high of 44°F and a low of 30°F. The chance of rain is 79% with an estimated 0.17in. Wind will be moderate, blowing around 15mph on average and gusts of 23.7mph at 9 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 93% at 4 AM and 50% being its lowest at 3 PM. Barometric pressure is its highest of 29.96inHg at 10 PM, a lowest point of 29.7inHg at 4 AM with an avg 29.77inHg.
Allentown, PA Weather – 11-11 – Sunny
43° / 27°
Sunny
Allentown could see a sunny day with daytime highs of 43°F and nighttime lows near 27°F. Wind will be moderate, blowing around 17mph on average and gusts of 22.9mph at 11 AM. The humidity will be on the higher side, averaging about 65%, the maximum being 78% at 5 AM and 51% being its lowest at 5 PM. Barometric pressure is its highest of 30.05inHg at 7 AM, a lowest point of 29.89inHg at 2 AM with an avg 29.99inHg.
Allentown, PA Weather – 11-12 – Scattered Showers
49° / 34°
Scattered Showers
In Allentown, passing showers are likely with a high near 49°F and a low around 34°F. The chance of rain is 77% with an estimated 0.01in. Snow is likely with a 8% chance. Wind will be moderate, blowing around 14mph on average and gusts of 22mph at 8 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 75% at 8 AM and 47% being its lowest at 11 AM. Barometric pressure is its highest of 30.03inHg at 12 AM, a lowest point of 29.7inHg at 5 PM with an avg 29.84inHg.

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