Allentown 7-day weather forecast

Written by:
June 8, 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 98 °F on Thursday, while the low is 66 °F on Monday. There are expected to be 5 sunny days and rain on 5 days this week.

NWS Mount Holly NJ has issued a extreme heat watch until Sunday at 08:00 PM.

Monday, June 29

- High of 91 °F, low of 66 °F (58% humidity)
- Partly sunny with a 20% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:33 AM, sunset at 8:36 PM
- Full moon
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1 / 6
Piyawat Nandeenopparit // Shutterstock

Tuesday, June 30

- High of 95 °F, low of 67 °F (58% humidity)
- Fair with a 20% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:34 AM, sunset at 8:36 PM
2 / 6
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Wednesday, July 1

- High of 97 °F, low of 67 °F (55% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:34 AM, sunset at 8:36 PM
3 / 6
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Thursday, July 2

- High of 98 °F, low of 74 °F (43% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:35 AM, sunset at 8:36 PM
4 / 6
Jaromir Chalabala // Shutterstock

Friday, July 3

- High of 98 °F, low of 69 °F (42% humidity)
- Mostly sunny with a 100% chance of rain (12 mm of rain)
- Moderate breeze (17 mph wind)
- Sunrise at 5:35 AM, sunset at 8:36 PM
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Saturday, July 4

- High of 96 °F, low of 70 °F (47% humidity)
- Mostly sunny with a 100% chance of rain (4 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 5:36 AM, sunset at 8:36 PM
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6 / 6
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Sunday, July 5

- High of 92 °F, low of 68 °F (50% humidity)
- Mostly cloudy with a 100% chance of rain (4 mm of rain)
- Moderate breeze (18 mph wind)
- Sunrise at 5:36 AM, sunset at 8:35 PM

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