Allentown weather live forecast

Tomorrow's maximum temperature in Allentown is expected to be 4°C.

  • Thursday
    30th Jan
    Scattered clouds
  • Friday
    31st Jan
    Cloudy with some rain (10-20 mm of rainfall expected)
  • Saturday
    1st Feb
    Scattered clouds
  • Sunday
    2nd Feb
    Broken clouds
  • Monday
    3rd Feb
    Broken clouds

5-day weather forecast updated at 04:01 on Thursday 30th January 2025 GMT

More about Allentown

Allentown by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Pennsylvania

  • Browse the best deals on hotel stays & compare prices
  • Check lowest rates by month & also by day of the week
  • Search by date or browse hotels by destination & map

The 5-day weather forecast for Pennsylvania (Allentown) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Allentown weather forecast by day

Below are the detailed weather forecasts for Allentown for the next 5 days.

Allentown weather for Thursday 30th January 2025

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 4°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the west.

  • 4°C maximum temperature4
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -1°C wind chill-1
    °C wind chill
  • Moderate breeze of 20 kph from the West20
    kph wind from W

Back to top

Allentown weather for Friday 31st January 2025

Expect cloudy with some rain in Allentown, Pennsylvania with a maximum temperature of 7°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 93% chance of some rain and a gentle breeze of 14 kph from the south.

  • 7°C maximum temperature7
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 93% chance of some rain93
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Gentle breeze of 14 kph from the South14
    kph wind from S

Back to top

Allentown weather for Saturday 1st February 2025

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 5°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

  • 5°C maximum temperature5
    °C maximum temperature
  • -7°C minimum temperature-7
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 1°C wind chill1
    °C wind chill
  • Gentle breeze of 18 kph from the North-West18
    kph wind from NW

Back to top

Allentown weather for Sunday 2nd February 2025

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 3°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-east.

  • 3°C maximum temperature3
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -1°C wind chill-1
    °C wind chill
  • Gentle breeze of 15 kph from the South-East15
    kph wind from SE

Back to top

Allentown weather for Monday 3rd February 2025

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 11°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the West22
    kph wind from W

Back to top

  • Book early & save on 2026 river cruises with Avalon Waterways
  • Filter deals by promotion, month, destination & more
  • Travel between 1st Jan & 31st Dec 2026 (inclusive)

Expires at 23:59 on Thursday 31st Dec 2026 · View all Avalon Waterways offers

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^