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

Today 9/1
Sunny with a Chance of Thunderstorms
Day 86°
Night 70°
91
Wed 9/2
Sunny with a Chance of Thunderstorms
Day 73°
Night 68°
55
Thu 9/3
Stormy Weather
Day 84°
Night 70°
55
Fri 9/4
Cloudy Weather
Day 84°
Night 59°
25
Sat 9/5
Cloudy Weather
Day 81°
Night 57°
9
Sun 9/6
Cloudy Weather
Day 75°
Night 59°
55
Mon 9/7
Cloudy Weather
Day 79°
Night 59°
18
Tue 9/8
Cloudy Weather
Day 77°
Night 57°
8
Wed 9/9
Rainy Weather
Day 73°
Night 59°
56
Thu 9/10
Cloudy Weather
Day 79°
Night 59°
40
Fri 9/11
Cloudy Weather
Day 77°
Night 57°
7
Sat 9/12
Cloudy Weather
Day 79°
Night 55°
2
Sun 9/13
Cloudy Weather
Day 77°
Night 55°
1
Mon 9/14
Cloudy Weather
Day 75°
Night 57°
20
Tue 9/15
Cloudy Weather
Day 73°
Night 57°
25
Wed 9/16
Cloudy Weather
Day 73°
Night 59°
Thu 9/17
Cloudy Weather
Day 75°
Night 52°
87
Fri 9/18
Sunny Weather
Day 72°
Night 50°
1
Sat 9/19
Cloudy Weather
Day 72°
Night 50°
Sun 9/20
Cloudy Weather
Day 72°
Night 54°
1
Mon 9/21
Sunny Weather
Day 77°
Night 57°
4
Tue 9/22
Sunny Weather
Day 79°
Night 57°
25
Wed 9/23
Sunny Weather
Day 81°
Night 57°
65
Thu 9/24
Sunny Weather
Day 79°
Night 55°
99
Fri 9/25
Sunny Weather
Day 77°
Night 54°
97
Sat 9/26
Cloudy Weather
Day 77°
Night 55°
60
Sun 9/27
Cloudy Weather
Day 79°
Night 55°
96
Mon 9/28
Cloudy Weather
Day 77°
Night 55°
Tue 9/29
Sunny Weather
Day 79°
Night 52°
Wed 9/30
Cloudy Weather
Day 70°
Night 48°

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