Dense Fog Advisory Issued for Philadelphia Commute

Reduced visibility expected through 10 a.m. on Wednesday

Published on Feb. 21, 2026

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A dense fog advisory is in effect for the Philadelphia region through 10 a.m. on Wednesday, with reduced visibility expected during the morning commute. Cloudy skies and scattered showers are also forecast throughout the day, with highs in the mid to upper 40s.

Why it matters

Dense fog can significantly impact visibility and driving conditions, posing safety risks for commuters. The weather advisory is intended to give residents advance notice to plan for potential delays and adjust their travel accordingly.

The details

The dense fog is expected to clear up by 10 a.m., but cloudy skies and scattered showers will continue throughout the day. Winds will be light, and temperatures will be around average, or slightly above, reaching the mid to upper 40s.

  • The dense fog advisory is in effect through 10 a.m. on Wednesday, February 18, 2026.
  • Scattered showers are expected in the morning and again in the afternoon on Wednesday.

The players

Philadelphia

The city where the dense fog advisory is in effect and the weather conditions are being reported.

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What’s next

The weather team will continue to monitor the forecast and provide updates on the potential for rain, mix, or snow on Sunday.

The takeaway

Residents should plan for a challenging commute on Wednesday morning due to the dense fog and reduced visibility, and be prepared for scattered showers throughout the day.