Pittsburgh weather live forecast

Today's maximum temperature in Pittsburgh is expected to be 82°F. Select a day from the live weather forecast for Pittsburgh, Pennsylvania, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Thursday 18th September 2025 GMT

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

Pittsburgh weather forecast by day

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

Pittsburgh weather for Wednesday 17th September 2025

Expect clear skies in Pittsburgh, Pennsylvania with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 mph from the east.

  • 82°F maximum temperature82
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 3 mph from the East3
    mph wind from E

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Pittsburgh weather for Thursday 18th September 2025

Expect clear skies in Pittsburgh, Pennsylvania with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the north-west.

  • 84°F maximum temperature84
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 4 mph from the North-West4
    mph wind from NW

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Pittsburgh weather for Friday 19th September 2025

Expect isolated thunderstorms in Pittsburgh, Pennsylvania with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and a light breeze of 5 mph from the north-west.

  • 81°F maximum temperature81
    °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 5 (Moderate)5
    UV index (Moderate)
  • 12% chance of some rain12
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 5 mph from the North-West5
    mph wind from NW

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Pittsburgh weather for Saturday 20th September 2025

Expect scattered clouds in Pittsburgh, Pennsylvania with a maximum temperature of 84°F, low levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 5 mph from the East5
    mph wind from E

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Pittsburgh weather for Sunday 21st September 2025

Expect scattered clouds in Pittsburgh, Pennsylvania with a maximum temperature of 84°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 7 mph from the South-East7
    mph wind from SE

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