Allentown weather live forecast

Tomorrow's maximum temperature in Allentown is expected to be 82°F.

5-day weather forecast updated at 04:01 on Saturday 19th April 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 Saturday 19th April 2025

Expect mostly cloudy with light rain in Allentown, Pennsylvania with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a moderate breeze of 12 mph from the south-west.

  • 82°F maximum temperature82
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 44% chance of some rain44
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 12 mph from the South-West12
    mph wind from SW

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Allentown weather for Sunday 20th April 2025

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 66°F, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north-west.

  • 66°F maximum temperature66
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 11 mph from the North-West11
    mph wind from NW

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Allentown weather for Monday 21st April 2025

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 63°F, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-east.

  • 63°F maximum temperature63
    °F maximum temperature
  • 48°F minimum temperature48
    °F minimum temperature
  • Broken clouds
    broken clouds
  • No hours of bright sunshine0
    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 9 mph from the South-East9
    mph wind from SE

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Allentown weather for Tuesday 22nd April 2025

Expect sunshine and showers in Allentown, Pennsylvania with a maximum temperature of 75°F, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and a gentle breeze of 11 mph from the west.

  • 75°F maximum temperature75
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 22% chance of some rain22
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 75°F wind chill75
    °F wind chill
  • Gentle breeze of 11 mph from the West11
    mph wind from W

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Allentown weather for Wednesday 23rd April 2025

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 73°F, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the north-west.

  • 73°F maximum temperature73
    °F maximum temperature
  • 48°F minimum temperature48
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 5 mph from the North-West5
    mph wind from NW

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