Allentown weather live forecast

Tomorrow's maximum temperature in Allentown is expected to be 12°C.

  • Wednesday
    12th Mar
    Scattered clouds
  • Thursday
    13th Mar
    Broken clouds
  • Friday
    14th Mar
    Broken clouds
  • Saturday
    15th Mar
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Sunday
    16th Mar
    Mostly cloudy with rain (10-20 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Wednesday 12th March 2025 GMT

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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 12th March 2025

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Gentle breeze of 13 kph from the East13
    kph wind from E

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Allentown weather for Thursday 13th March 2025

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 14 kph from the East14
    kph wind from E

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Allentown weather for Friday 14th March 2025

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

  • 13°C maximum temperature13
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 13 kph from the East13
    kph wind from E

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Allentown weather for Saturday 15th March 2025

Expect mostly cloudy with light rain in Allentown, Pennsylvania with a maximum temperature of 17°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a gentle breeze of 17 kph from the south.

  • 17°C maximum temperature17
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 32% chance of some rain32
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 17°C wind chill17
    °C wind chill
  • Gentle breeze of 17 kph from the South17
    kph wind from S

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Allentown weather for Sunday 16th March 2025

Expect mostly cloudy with rain in Allentown, Pennsylvania with a maximum temperature of 23°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 82% chance of some rain and a fresh breeze of 33 kph from the south.

  • 23°C maximum temperature23
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 82% chance of some rain82
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Fresh breeze of 33 kph from the South33
    kph wind from S

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Expires at 23:59 on Wednesday 31st Dec 2025

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

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