Rain chances increase as humidity returns to Pittsburgh

In Pittsburgh, the weather on August 5, 2026, is marked by a significant increase in morning temperatures, which are about 10 degrees warmer than the previous day. Humidity levels are also rising, with dew points expected to reach near 70 degrees this afternoon. Rain chances are forecasted to spike in the afternoon, continuing through the week, although severe weather remains unlikely.

Rain chances increase as humidity returns to Pittsburgh
1 source
science Published Aug 5, 2026

Topic overview

In brief

  • Morning temperatures in Pittsburgh are about 10 degrees warmer than the previous day.
  • Humidity levels are expected to remain high, with dew points reaching near 70 degrees this afternoon.
  • Rain chances will increase throughout the day, with a forecast of scattered rain persisting through the week.

Summary

In Pittsburgh, the weather has shifted significantly as of August 5, 2026, with morning temperatures approximately 10 degrees warmer than the previous day. This change is accompanied by a rise in humidity levels, which are expected to remain high through at least Monday. The dew point, a key indicator of moisture in the air, is projected to reach near 70 degrees this afternoon, indicating a tropical airmass. Such high humidity is essential for storm development, as it contributes to atmospheric instability. However, the forecast suggests that today will not be a complete washout, with rain chances peaking in the afternoon and lower chances during the overnight and morning hours. Severe weather is unlikely, although strong winds could pose a risk. The high temperature for the day is anticipated to be around 85 degrees, slightly lower than yesterday's high of 86 degrees, due to the increased humidity and cloud cover. This pattern of scattered rain and high humidity is expected to continue for several days, with a transition to more widespread rain anticipated by Sunday and Monday. The forecast indicates that residents should prepare for a mix of warm temperatures and intermittent rain throughout the week, making it essential to stay updated on weather conditions.

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Updated Aug 5, 2026

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