Pittsburgh/ Weather & Environment

Pittsburgh Faces Frost Advisory Amid Chilly Nights

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Published on October 21, 2026
Pittsburgh Faces Frost Advisory Amid Chilly NightsSource: Google Street View

Pittsburgh faces a chilly stretch, with overnight cold bringing a distinctly October feel. The National Weather Service’s latest Pittsburgh forecast also lists a Frost Advisory for early Thursday.

A Wednesday Afternoon Observation

An observation recorded 61 degrees at Pittsburgh’s Allegheny County Airport early Wednesday afternoon. The current Pittsburgh forecast includes a Frost Advisory for early Thursday.

Cold Nights Bring Frost Chances

Wednesday night is forecast near 35 degrees, followed by Thursday near 64. Thursday night is forecast near 40. A Frost Advisory is in effect from 2 a.m. to 9 a.m. Thursday, with patchy frost possible before the morning warms up. The National Weather Service forecast and alert cover Pittsburgh; colder spots outside the city may see lower temperatures.

Low-to-mid-30s temperatures and frost are forecast for parts of the region, with patchy frost possible before Thursday morning warms up.

Weekend Temperatures And Early-Week Outlook

Friday is forecast near 61, Saturday near 64, and Sunday near 67. Monday night is expected to be partly cloudy, with Tuesday partly sunny. The Pittsburgh-area outlook extends through Tuesday.

A Frost Advisory is in effect for the Pittsburgh area from 2 a.m. to 9 a.m. Thursday, October 22. For outdoor plans, bring a jacket for the morning, and cover sensitive plants before the overnight chill. The National Weather Service alert and forecast give the advisory timing and local outlook.

The advisory is relevant beyond the temperature reading: frost can harm sensitive outdoor vegetation, and uncovered tender plants may be killed. The National Weather Service’s Pittsburgh-area hazard notice urges residents to protect tender plants ahead of the overnight cold. The advisory is in effect from 2 a.m. to 9 a.m. Thursday, October 22.