Allentown 7-day weather forecast

Written by:
July 21, 2025
ESOlex // Shutterstock

Allentown 7-day weather forecast

Stacker created the forecast for Allentown, Pennsylvania using data from OpenWeather. This week's high is 92 °F on Friday, while the low is 54 °F on Tuesday. There are expected to be 3 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, July 21

- High of 82 °F, low of 63 °F (47% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:48 AM, sunset at 8:27 PM
1 / 6
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Tuesday, July 22

- High of 78 °F, low of 54 °F (46% humidity)
- Partly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:49 AM, sunset at 8:26 PM
2 / 6
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Wednesday, July 23

- High of 83 °F, low of 59 °F (51% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:50 AM, sunset at 8:25 PM
3 / 6
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Thursday, July 24

- High of 85 °F, low of 64 °F (61% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:51 AM, sunset at 8:24 PM
- New moon
4 / 6
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Friday, July 25

- High of 92 °F, low of 69 °F (52% humidity)
- Partly cloudy with a 95% chance of rain (1 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:52 AM, sunset at 8:24 PM
5 / 6
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Saturday, July 26

- High of 86 °F, low of 72 °F (62% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Light breeze (5 mph wind)
- Sunrise at 5:53 AM, sunset at 8:23 PM
6 / 6
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Sunday, July 27

- High of 84 °F, low of 70 °F (76% humidity)
- Overcast with a 100% chance of rain (17 mm of rain)
- Gentle breeze (8 mph wind)
- Sunrise at 5:54 AM, sunset at 8:22 PM

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