Allentown weather live forecast

Today's maximum temperature in Allentown is expected to be 2°C. Select a day from the live weather forecast for Allentown, Pennsylvania, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Wednesday 3rd December 2025 GMT

More about Allentown

Allentown by month

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

Recommended for Pennsylvania

Auto Europe: Guranteed best rates on car rentals

  • Book car hire with the best rate gurantee
  • Find a cheaper rate Auto Europe will beat it
  • Browse car rentals across the USA & beyond
Go to Auto Europe deal >>

View all Auto Europe offers

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 Wednesday 3rd December 2025

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 2°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -2°C minimum temperature-2
    °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
  • -2°C wind chill-2
    °C wind chill
  • Moderate breeze of 20 kph from the North-West20
    kph wind from NW

Back to top

Allentown weather for Thursday 4th December 2025

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 2°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -7°C minimum temperature-7
    °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
  • -2°C wind chill-2
    °C wind chill
  • Moderate breeze of 20 kph from the West20
    kph wind from W

Back to top

Allentown weather for Friday 5th December 2025

Expect clear skies with flurries of snow in Allentown, Pennsylvania with a maximum temperature of -1°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0-2 cm of snow expected with 26% chance of some snow and a light breeze of 11 kph from the south.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -9°C minimum temperature-9
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 26% chance of some snow26
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -5°C wind chill-5
    °C wind chill
  • Light breeze of 11 kph from the South11
    kph wind from S

Back to top

Allentown weather for Saturday 6th December 2025

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

  • 1°C maximum temperature1
    °C maximum temperature
  • -5°C minimum temperature-5
    °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
  • -2°C wind chill-2
    °C wind chill
  • Light breeze of 11 kph from the West11
    kph wind from W

Back to top

Allentown weather for Sunday 7th December 2025

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 3°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north-west.

  • 3°C maximum temperature3
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 0°C wind chill0
    °C wind chill
  • Light breeze of 10 kph from the North-West10
    kph wind from NW

Back to top

Marriott: Hotel deals & packages

  • Save on your next trip with deals & packages
  • Includes hotel, flight, cars & more packages
  • Discover Bangkok, Sydney, Toronto & beyond
Go to Marriott deal >>

View all Marriott offers

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

Back to top

More about the USA

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^