Allentown 7-day weather forecast

Written by:
June 8, 2026
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Allentown 7-day weather forecast

created the forecast for Allentown, Pennsylvania using data from . This week's high is 92 掳F on Friday, while the low is 62 掳F on Wednesday. There are expected to be 2 sunny days and rain on 4 days this week.

NWS Mount Holly NJ has issued a flood watch until Tuesday at 11:00 PM and a flash flood warning until Monday at 03:30 AM.

Monday, August 3

- High of 87 掳F, low of 71 掳F (65% humidity)
- Overcast with a 100% chance of rain (13 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:00 AM, sunset at 8:15 PM
1 / 6
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Tuesday, August 4

- High of 87 掳F, low of 66 掳F (55% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (4 mph wind)
- Sunrise at 6:01 AM, sunset at 8:14 PM
2 / 6
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Wednesday, August 5

- High of 82 掳F, low of 62 掳F (63% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Light air (3 mph wind)
- Sunrise at 6:02 AM, sunset at 8:13 PM
- Last quarter moon
3 / 6
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Thursday, August 6

- High of 90 掳F, low of 69 掳F (56% humidity)
- Partly cloudy with a 100% chance of rain (3 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:03 AM, sunset at 8:11 PM
4 / 6
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Friday, August 7

- High of 92 掳F, low of 72 掳F (51% humidity)
- Fair with a 100% chance of rain (5 mm of rain)
- Gentle breeze (8 mph wind)
- Sunrise at 6:04 AM, sunset at 8:10 PM
5 / 6
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Saturday, August 8

- High of 86 掳F, low of 69 掳F (60% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Light breeze (7 mph wind)
- Sunrise at 6:05 AM, sunset at 8:09 PM
6 / 6
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Sunday, August 9

- High of 90 掳F, low of 70 掳F (52% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (10 mph wind)
- Sunrise at 6:06 AM, sunset at 8:08 PM

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