Lancaster weather live forecast

Today's maximum temperature in Lancaster is expected to be 77°F. Select a day from the live weather forecast for Lancaster, Pennsylvania, USA for more weather parameters.

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

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

Lancaster weather forecast by day

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

Lancaster weather for Tuesday 2nd September 2025

Expect clear skies in Lancaster, Pennsylvania with a maximum temperature of 77°F, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the north-east.

  • 77°F maximum temperature77
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 77°F wind chill77
    °F wind chill
  • Little or no wind of 2 mph from the North-East2
    mph wind from NE

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Lancaster weather for Wednesday 3rd September 2025

Expect scattered clouds in Lancaster, Pennsylvania with a maximum temperature of 75°F, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the south.

  • 75°F maximum temperature75
    °F maximum temperature
  • 59°F minimum temperature59
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    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
  • Little or no wind of 4 mph from the South4
    mph wind from S

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Lancaster weather for Thursday 4th September 2025

Expect isolated thunderstorms in Lancaster, Pennsylvania with a maximum temperature of 75°F, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 78% chance of some rain and a gentle breeze of 9 mph from the south.

  • 75°F maximum temperature75
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 78% chance of some rain78
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 9 mph from the South9
    mph wind from S

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Lancaster weather for Friday 5th September 2025

Expect isolated thunderstorms in Lancaster, Pennsylvania with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 19% chance of some rain and a light breeze of 7 mph from the south.

  • 82°F maximum temperature82
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 19% chance of some rain19
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 7 mph from the South7
    mph wind from S

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Lancaster weather for Saturday 6th September 2025

Expect isolated thunderstorms in Lancaster, Pennsylvania with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 59% chance of some rain and a light breeze of 4 mph from the west.

  • 79°F maximum temperature79
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 59% chance of some rain59
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 4 mph from the West4
    mph wind from W

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