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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 71 °F on Monday, while the low is 42 °F on Saturday. There are expected to be 2 sunny days and rain on 4 days this week.
There are currently no weather alerts.
Monday, May 19
- High of 71 °F, low of 50 °F (54% humidity)- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 5:41 AM, sunset at 8:15 PM
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1 / 6
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Tuesday, May 20
- High of 67 °F, low of 44 °F (49% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:40 AM, sunset at 8:16 PM
- Last quarter moon
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:40 AM, sunset at 8:16 PM
- Last quarter moon

2 / 6
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Wednesday, May 21
- High of 52 °F, low of 49 °F (97% humidity)
- Overcast with a 100% chance of rain (24 mm of rain)
- Moderate breeze (17 mph wind)
- Sunrise at 5:39 AM, sunset at 8:17 PM
- Overcast with a 100% chance of rain (24 mm of rain)
- Moderate breeze (17 mph wind)
- Sunrise at 5:39 AM, sunset at 8:17 PM

3 / 6
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Thursday, May 22
- High of 48 °F, low of 45 °F (95% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 5:39 AM, sunset at 8:18 PM
- Overcast with a 100% chance of rain (6 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 5:39 AM, sunset at 8:18 PM

4 / 6
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Friday, May 23
- High of 56 °F, low of 45 °F (83% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 5:38 AM, sunset at 8:19 PM
- Overcast with a 100% chance of rain (2 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 5:38 AM, sunset at 8:19 PM

5 / 6
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Saturday, May 24
- High of 60 °F, low of 42 °F (62% humidity)
- Mostly cloudy with a 50% chance of rain (1 mm of rain)
- Moderate breeze (15 mph wind)
- Sunrise at 5:37 AM, sunset at 8:20 PM
- Mostly cloudy with a 50% chance of rain (1 mm of rain)
- Moderate breeze (15 mph wind)
- Sunrise at 5:37 AM, sunset at 8:20 PM
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6 / 6
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Sunday, May 25
- High of 65 °F, low of 42 °F (60% humidity)
- Overcast with a 0% chance of rain
- Gentle breeze (8 mph wind)
- Sunrise at 5:37 AM, sunset at 8:20 PM
- Overcast with a 0% chance of rain
- Gentle breeze (8 mph wind)
- Sunrise at 5:37 AM, sunset at 8:20 PM