Allentown 7-day weather forecast

Written by:
December 15, 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 54 °F on Friday, while the low is 11 °F on Tuesday. There is expected to be 1 sunny day and rain on 2 days this week.

There are currently no weather alerts.

Monday, December 15

- High of 26 °F, low of 13 °F (80% humidity)
- Overcast with a 0% chance of snow
- Moderate breeze (15 mph wind)
- Sunrise at 7:18 AM, sunset at 4:35 PM
1 / 6
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Tuesday, December 16

- High of 29 °F, low of 11 °F (77% humidity)
- Sunny with a 0% chance of snow
- Light breeze (7 mph wind)
- Sunrise at 7:19 AM, sunset at 4:36 PM
2 / 6
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Wednesday, December 17

- High of 40 °F, low of 18 °F (88% humidity)
- Partly cloudy with a 0% chance of rain
- Gentle breeze (12 mph wind)
- Sunrise at 7:20 AM, sunset at 4:36 PM
3 / 6
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Thursday, December 18

- High of 37 °F, low of 26 °F (88% humidity)
- Overcast with a 0% chance of rain
- Light breeze (4 mph wind)
- Sunrise at 7:20 AM, sunset at 4:36 PM
4 / 6
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Friday, December 19

- High of 54 °F, low of 27 °F (74% humidity)
- Partly sunny with a 100% chance of rain (27 mm of rain)
- Fresh breeze (20 mph wind)
- Sunrise at 7:21 AM, sunset at 4:37 PM
- New moon
5 / 6
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Saturday, December 20

- High of 35 °F, low of 25 °F (50% humidity)
- Mostly cloudy with a 0% chance of rain
- Gentle breeze (11 mph wind)
- Sunrise at 7:21 AM, sunset at 4:37 PM
6 / 6
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Sunday, December 21

- High of 46 °F, low of 36 °F (84% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 7:22 AM, sunset at 4:37 PM

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