Allentown 7-day weather forecast

Written by:
December 8, 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 40 °F on Wednesday, while the low is 14 °F on Tuesday. There are expected to be 2 sunny days, snow on 1 day, and 2 days of rain this week.

There are currently no weather alerts.

Monday, December 8

- High of 34 °F, low of 19 °F (41% humidity)
- Overcast with a 0% chance of rain
- Moderate breeze (14 mph wind)
- Sunrise at 7:13 AM, sunset at 4:34 PM
1 / 6
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Tuesday, December 9

- High of 31 °F, low of 14 °F (31% humidity)
- Mostly sunny with a 0% chance of snow
- Gentle breeze (11 mph wind)
- Sunrise at 7:14 AM, sunset at 4:34 PM
2 / 6
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Wednesday, December 10

- High of 40 °F, low of 27 °F (92% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Moderate breeze (15 mph wind)
- Sunrise at 7:14 AM, sunset at 4:34 PM
3 / 6
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Thursday, December 11

- High of 38 °F, low of 29 °F (62% humidity)
- Partly cloudy with a 74% chance of rain (1 mm of rain)
- Moderate breeze (15 mph wind)
- Sunrise at 7:15 AM, sunset at 4:34 PM
- Last quarter moon
4 / 6
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Friday, December 12

- High of 36 °F, low of 26 °F (71% humidity)
- Partly cloudy with a 0% chance of rain
- Gentle breeze (8 mph wind)
- Sunrise at 7:16 AM, sunset at 4:35 PM
5 / 6
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Saturday, December 13

- High of 33 °F, low of 19 °F (69% humidity)
- Overcast with a 100% chance of snow (2 mm of snow)
- Moderate breeze (17 mph wind)
- Sunrise at 7:17 AM, sunset at 4:35 PM
6 / 6
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Sunday, December 14

- High of 26 °F, low of 16 °F (56% humidity)
- Mostly sunny with a 0% chance of snow
- Gentle breeze (12 mph wind)
- Sunrise at 7:18 AM, sunset at 4:35 PM

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