Weather forecast for tomorrow
Allentown, PA

Weather forecast for tomorrow

Monday, May 12.

Partly Cloudy
5:45 am

8:10 pm
EDT
Partly Cloudy
81°F / 59°F
  • Wind: 8mph SE
  • Humidity: 43%
  • Precip. probability: 3%
  • Precipitation: 0.08"
  • UV index: 7
Tomorrow, on Monday, May 12, clouds and sunshine will alternate throughout the day.
Minimal precipitation is forecasted. The maximum expected temperature is a moderately hot 80.6°F, while the minimum temperature will be a mild 59°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is estimated at 80.6°F.
The forecast high of 80.6°F is more in line with June's average of 77.5°F than May's 69.4°F.
Sunrise will be at 5:45 am and sunset at 8:10 pm; tomorrow's daylight will last for 14h and 25min.

Frequently asked questions

What is the weather forecast for Allentown for tomorrow?
Tomorrow, in Allentown, sunlight and clouds will take turns dominating the sky.
Will it rain tomorrow?
Tomorrow, there is a low probability of minimal rainfall in Allentown.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 80.6°F, while the minimum temperature will be 59°F. The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be 80.6°F.
The maximum temperature will be noticeably higher than the average highest temperature of 69.4°F in May. The lowest temperature will be relatively higher than the average low of 50.5°F.
When is the sunrise / sunset tomorrow?
On Monday, in Allentown, sunrise will be at 5:45 am and sunset at 8:10 pm (EDT).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 14h and 25min.

Hourly weather forecast

12 am
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Wind: 3mph NE
  • Pressure: 30.33"Hg
  • Humidity: 55%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Wind: 2mph ENE
  • Pressure: 30.33"Hg
  • Humidity: 63%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Wind: 3mph ENE
  • Pressure: 30.33"Hg
  • Humidity: 70%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:45 am
6 am
  • 50°F
  • Feels like:
    50°F
Sunny
Sunny
  • Wind: 3mph ENE
  • Pressure: 30.36"Hg
  • Humidity: 73%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 57°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph E
  • Pressure: 30.36"Hg
  • Humidity: 59%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph ESE
  • Pressure: 30.33"Hg
  • Humidity: 42%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph SE
  • Pressure: 30.3"Hg
  • Humidity: 39%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SSE
  • Pressure: 30.24"Hg
  • Humidity: 37%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 79°F
  • Feels like:
    79°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph S
  • Pressure: 30.18"Hg
  • Humidity: 35%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 77°F
  • Feels like:
    77°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 8mph SSW
  • Pressure: 30.18"Hg
  • Humidity: 38%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SSW
  • Pressure: 30.18"Hg
  • Humidity: 48%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:10 pm
10 pm
  • 68°F
  • Feels like:
    68°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph SSW
  • Pressure: 30.18"Hg
  • Humidity: 61%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, on Monday, a combination of cloudy and clear weather is predicted.
The temperature will vary between the lowest temperature of 50°F and the highest temperature of 78.8°F. The warmest part of the day will be from 3 pm to 5 pm.
The forecasted high is more alike with June's typical maximum of 77.5°F than the usual for May. The lowest temperature is also more in line with June's average minimum of 58.1°F than the usual minimum of 50.5°F in May.
Updated: May 11, 2025 @ 12:23:10 UTC
Published by: Weather Atlas | About Us
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