Allentown 7-day weather forecast

Written by:
September 29, 2025
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Allentown 7-day weather forecast

Stacker created the forecast for Allentown, Pennsylvania using data from OpenWeather. This week's high is 67 °F on Tuesday, while the low is 38 °F on Friday. There are expected to be 4 sunny days and rain on 4 days this week.

There are currently no weather alerts.

Monday, October 20

- High of 61 °F, low of 47 °F (79% humidity)
- Overcast with a 100% chance of rain (7 mm of rain)
- Moderate breeze (18 mph wind)
- Sunrise at 7:18 AM, sunset at 6:14 PM
1 / 6
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Tuesday, October 21

- High of 67 °F, low of 42 °F (40% humidity)
- Sunny with a 100% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:19 AM, sunset at 6:13 PM
- New moon
2 / 6
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Wednesday, October 22

- High of 59 °F, low of 44 °F (47% humidity)
- Sunny with a 100% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:20 AM, sunset at 6:11 PM
3 / 6
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Thursday, October 23

- High of 54 °F, low of 40 °F (53% humidity)
- Sunny with a 0% chance of rain
- Moderate breeze (14 mph wind)
- Sunrise at 7:21 AM, sunset at 6:10 PM
4 / 6
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Friday, October 24

- High of 57 °F, low of 38 °F (57% humidity)
- Sunny with a 0% chance of rain
- Moderate breeze (14 mph wind)
- Sunrise at 7:22 AM, sunset at 6:08 PM
5 / 6
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Saturday, October 25

- High of 55 °F, low of 40 °F (51% humidity)
- Overcast with a 0% chance of rain
- Light breeze (6 mph wind)
- Sunrise at 7:24 AM, sunset at 6:07 PM
6 / 6
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Sunday, October 26

- High of 48 °F, low of 45 °F (63% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Light air (3 mph wind)
- Sunrise at 7:25 AM, sunset at 6:06 PM

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