Pittsburgh/ Weather & Environment

Pittsburgh Turns Warmer After Cooler Monday, Storm Chances Build

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Published on September 14, 2026
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Pittsburgh is headed for cooler conditions Monday, with scattered cumulus possible in the afternoon.

Cooler Monday, Warmer Tuesday

Monday night will be clear and seasonably cool, with temperatures cooling into the mid-40s to lower 50s and calm winds. Dry weather should hold through at least Tuesday night, according to the National Weather Service Pittsburgh.

Tuesday brings a noticeable warmup under mostly sunny skies, with a high near 82. The comfortable stretch will be brief, as warm and humid conditions return Wednesday and Thursday, with temperatures above normal.

Storm Chances Build By Midweek

Precipitation may begin late Tuesday night or Wednesday morning, with rain chances increasing from late Wednesday into late Thursday.

Thursday will bring showers, with thunderstorms also possible after 2 p.m. The chance of precipitation is 30%.

Rain Lingers Into The Weekend

Friday will be mostly cloudy with a high near 82 and a 50% chance of showers. Saturday may bring showers and thunderstorms.

A cold front may approach and pass through late Wednesday into late Thursday. No watches, warnings or advisories are currently listed for Pennsylvania, but anyone making outdoor plans Wednesday through Sunday should keep an eye on the sky and have a backup plan for storms.