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Today Hourly 7 days 30 days September
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September 2026 Weather | Allentown, Pennsylvania

Today 9/14
Cloudy Weather
Day 75°
Night 46°
0
Tue 9/15
Cloudy Weather
Day 73°
Night 52°
1
Wed 9/16
Cloudy Weather
Day 79°
Night 63°
11
Thu 9/17
Cloudy Weather
Day 82°
Night 66°
25
Fri 9/18
Cloudy Weather
Day 84°
Night 61°
12
Sat 9/19
Cloudy Weather
Day 75°
Night 63°
25
Sun 9/20
Stormy Weather
Day 82°
Night 61°
65
Mon 9/21
Sunny with a Chance of Thunderstorms
Day 73°
Night 63°
67
Tue 9/22
Stormy Weather
Day 73°
Night 57°
80
Wed 9/23
Cloudy Weather
Day 72°
Night 54°
0
Thu 9/24
Rainy Weather
Day 72°
Night 54°
60
Fri 9/25
Rainy Weather
Day 73°
Night 54°
75
Sat 9/26
Rainy Weather
Day 72°
Night 55°
75
Sun 9/27
Cloudy Weather
Day 73°
Night 55°
25
Mon 9/28
Cloudy Weather
Day 75°
Night 55°
25
Tue 9/29
Sunny Weather
Day 79°
Night 52°
Wed 9/30
Cloudy Weather
Day 70°
Night 48°

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