Weather forecast for 10 daysAllentown, PA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 52°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphNNW 348°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:15 am EDT
  • Sunset: 6:19 pm EDT
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Today, moderate cloud cover will mix with sunshine throughout the day.
The temperature is predicted to vary between a crisp 51.8°F and an icy 32°F.
The weather today is colder, with a maximum expected near 49.8°F - more like November than October.
Sunrise was at 7:15 am and sunset will be at 6:19 pm; the daylight will last for 11h and 4min.

Sunday Oct 18, 2026

  • 61°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNNE 33°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:16 am EDT
  • Sunset: 6:17 pm EDT
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Tomorrow, sunny skies and pleasant visibility are also expected.
The maximum predicted temperature is a comfortable 60.8°F, while the minimum temperature will be a cold 35.6°F.
The predicted maximum temperature will closely reflect October's average high of 62.1°F.
Sunrise will be at 7:16 am and sunset at 6:17 pm; tomorrow's daylight will last for 11h and 1min.

10-day overview

Daily temperatures

Warmest day: Tuesday 72°C.
Coldest day: today 52°C.

Chance of precipitation

Highest chance: Saturday - Monday 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 52°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphNNW 348°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:15 am EDT
  • Sunset: 6:19 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 61°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNNE 33°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:16 am EDT
  • Sunset: 6:17 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphNE 34°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:17 am EDT
  • Sunset: 6:16 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphNNE 21°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:18 am EDT
  • Sunset: 6:14 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphNE 40°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:19 am EDT
  • Sunset: 6:13 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 7mphN 11°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:20 am EDT
  • Sunset: 6:11 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 63°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 7mphNNE 23°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:22 am EDT
  • Sunset: 6:10 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 63°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphNNE 31°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:09 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 64°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 6mphNNE 27°
  • Humidity: 70%
  • UV index: 4
  • Sunrise: 7:24 am EDT
  • Sunset: 6:07 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 68°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphN 1°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 7:25 am EDT
  • Sunset: 6:06 pm EDT
  • ▼
Over the next ten days, conditions will reflect that a combination of clear and gloomy weather is anticipated.
Rainfall is not forecasted in Allentown in the upcoming period.
Temperature variation will be noticeable in the coming days. The temperature is expected to swing from 51.8°F up to 71.6°F, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 32°F and 48.2°F.
Tuesday is expected to be the warmest, reaching up to 71.6°F; today is the coldest day, with a maximum temperature of 51.8°F.
Updated: Oct 17, 2026 @ 12:33:15 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, expect a mix of sun and clouds throughout the day.

Today, the maximum temperature will be 51.8°F, while the minimum temperature will be 32°F.
The maximum temperature will be uncommonly lower than the average highest temperature of 62.1°F in October. The lowest temperature today will be also noticeably lower than the average low of 46.2°F.

On Saturday, in Allentown, sunrise was at 7:15 am and sunset will be at 6:19 pm (EDT).

In Allentown, the length of the day today will be 11h and 4min.

Tomorrow, sun-filled conditions are expected to persist.

Tomorrow, the maximum temperature will be 60.8°F, while the minimum temperature will be 35.6°F.
The highest temperature will be in line with the average maximum of 62.1°F in October. The lowest temperature will be notably lower than the average low of 46.2°F.

On Sunday, in Allentown, sunrise will be at 7:16 am and sunset at 6:17 pm (EDT).

Tomorrow, the daylight will last for 11h and 1min.