Allentown 7-day weather forecast

Written by:
January 26, 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 39 °F on Wednesday, while the low is 15 °F on Tuesday. There is expected to be 1 sunny day, snow on 3 days, and 1 day of rain this week.

NWS Mount Holly NJ has issued a winter storm warning until Monday at 06:00 PM.

Monday, February 23

- High of 34 °F, low of 26 °F (82% humidity)
- Overcast with a 100% chance of snow (1 mm of snow)
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:44 AM, sunset at 5:45 PM
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1 / 6
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Tuesday, February 24

- High of 27 °F, low of 15 °F (71% humidity)
- Partly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:43 AM, sunset at 5:47 PM
- First quarter moon
2 / 6
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Wednesday, February 25

- High of 39 °F, low of 23 °F (100% humidity)
- Overcast with a 100% chance of rain (0 mm of rain)
- Moderate breeze (15 mph wind)
- Sunrise at 6:42 AM, sunset at 5:48 PM
3 / 6
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Thursday, February 26

- High of 35 °F, low of 22 °F (67% humidity)
- Partly sunny with a 100% chance of snow (11 mm of snow)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:40 AM, sunset at 5:49 PM
4 / 6
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Friday, February 27

- High of 35 °F, low of 23 °F (100% humidity)
- Sunny with a 100% chance of snow (6 mm of snow)
- Gentle breeze (10 mph wind)
- Sunrise at 6:39 AM, sunset at 5:50 PM
5 / 6
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Saturday, February 28

- High of 39 °F, low of 21 °F (96% humidity)
- Partly cloudy with a 0% chance of rain
- Gentle breeze (8 mph wind)
- Sunrise at 6:37 AM, sunset at 5:51 PM
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Valeriy Boyarskiy // Shutterstock

Sunday, March 1

- High of 37 °F, low of 24 °F (81% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate breeze (13 mph wind)
- Sunrise at 6:36 AM, sunset at 5:52 PM

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