Pittsburgh is set to experience a warmup with highs reaching into the 80s by Thursday, following a foggy start to Tuesday. Commuters should prepare for patchy fog in the morning, especially along I-376 and in surrounding valleys, before sunny conditions bring warmer temperatures.
Tuesday, September 9: Foggy Start, Sunny Afternoon
Expect patchy fog early Tuesday, particularly in areas like Pittsburgh International Airport, downtown, and the river valleys. Fog may persist until about 9 a.m., so drivers should slow down, keep headlights on low beam, and allow extra travel time. By afternoon, skies will clear, and temperatures will rise to near 78°F with light east winds shifting to the southeast.
High Temperature: 78°F
Low Temperature: 49°F
Wednesday, September 10: Clear and Warm
Clear skies will dominate Wednesday, with temperatures climbing to around 80°F. It’s a great day to enjoy the warm weather, as the cooler evenings will dip into the 50s.
High Temperature: 80°F
Low Temperature: 50°F
Thursday, September 11: More Sunshine and Warmth
Thursday will also begin with morning fog, but once it clears, expect a sunny day with highs reaching 82°F. The warm, pleasant weather will continue into the weekend.
High Temperature: 82°F
Low Temperature: 54°F
Friday & Saturday: Sunny, Warm Weather Continues
The sunny, warm stretch persists into Friday and Saturday. Highs will remain in the low 80s, and evening temperatures will cool off to the 50s and 60s, making for comfortable nights.
Friday High: 82°F
Friday Low: 54°F
Saturday High: 84°F
Saturday Low: 58°F
Impact and Precautions
While the warm weather is great, drivers should remain cautious of morning fog, particularly along rural routes and near bridges and interchanges. The warm afternoons will feel like late summer, so residents can enjoy the sunshine but should stay alert for foggy mornings. There’s no rain expected through the weekend, so it’s a good time to enjoy the outdoors.
