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Today Hourly 7 days 30 days September
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September 2025 Weather | Allentown, Pennsylvania

Today 9/10
Rainy Weather
Day 70°
Night 52°
88
Thu 9/11
Sunny Weather
Day 81°
Night 55°
0
Fri 9/12
Cloudy Weather
Day 79°
Night 55°
2
Sat 9/13
Cloudy Weather
Day 81°
Night 55°
4
Sun 9/14
Partly Sunny with Showers
Day 79°
Night 57°
88
Mon 9/15
Rainy Weather
Day 75°
Night 57°
85
Tue 9/16
Cloudy Weather
Day 79°
Night 55°
55
Wed 9/17
Sunny Weather
Day 79°
Night 57°
6
Thu 9/18
Sunny Weather
Day 81°
Night 57°
2
Fri 9/19
Sunny Weather
Day 88°
Night 59°
2
Sat 9/20
Cloudy Weather
Day 82°
Night 61°
0
Sun 9/21
Rainy Weather
Day 81°
Night 61°
57
Mon 9/22
Cloudy Weather
Day 79°
Night 61°
2
Tue 9/23
Cloudy Weather
Day 79°
Night 52°
25
Wed 9/24
Cloudy Weather
Day 75°
Night 55°
25
Thu 9/25
Cloudy Weather
Day 70°
Night 54°
25
Fri 9/26
Cloudy Weather
Day 70°
Night 46°
10
Sat 9/27
Cloudy Weather
Day 68°
Night 46°
10
Sun 9/28
Sunny Weather
Day 66°
Night 45°
20
Mon 9/29
Rainy Weather
Day 66°
Night 54°
56
Tue 9/30
Rainy Weather
Day 68°
Night 48°
60