Allentown 7-day weather forecast

Written by:
March 23, 2026
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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 75 °F on Monday, while the low is 36 °F on Sunday. There are expected to be 3 sunny days and rain on 5 days this week.

There are currently no weather alerts.

Monday, April 27

- High of 75 °F, low of 41 °F (53% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:05 AM, sunset at 7:52 PM
1 / 6
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Tuesday, April 28

- High of 62 °F, low of 42 °F (50% humidity)
- Mostly cloudy with a 100% chance of rain (2 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:04 AM, sunset at 7:53 PM
2 / 6
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Wednesday, April 29

- High of 64 °F, low of 45 °F (59% humidity)
- Overcast with a 100% chance of rain (13 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:03 AM, sunset at 7:55 PM
3 / 6
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Thursday, April 30

- High of 56 °F, low of 42 °F (62% humidity)
- Mostly cloudy with a 100% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:01 AM, sunset at 7:56 PM
4 / 6
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Friday, May 1

- High of 59 °F, low of 37 °F (44% humidity)
- Sunny with a 24% chance of rain (0 mm of rain)
- Gentle breeze (10 mph wind)
- Sunrise at 6:00 AM, sunset at 7:57 PM
- Full moon
5 / 6
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Saturday, May 2

- High of 59 °F, low of 43 °F (68% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate breeze (15 mph wind)
- Sunrise at 5:59 AM, sunset at 7:58 PM
6 / 6
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Sunday, May 3

- High of 60 °F, low of 36 °F (43% humidity)
- Sunny with a 0% chance of rain
- Moderate breeze (14 mph wind)
- Sunrise at 5:58 AM, sunset at 7:59 PM

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