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Today | Weather | Thursday, January 1, 2026
Active Weather Warnings

Weather in Pittsburgh, Pennsylvania

06:17 AM
Now
Cloudy Night
19° F
Feels Like 10°
Precipitation 42 %
Wind 8 mph
Humidity 68 %
Today
Partly Sunny with a Chance of Snow
Day 23°
Night 18°
Precipitation 65 %
Wind 10 mph
UV Index (0 - 11+) 1

Pittsburgh Weather Forecast Updated

Weather Forecast History
Last Year's Weather on This Day (January 1, 2025)
Snowy Weather

Day

39°

Night

28°

Wind

12 mph

UV Index

1

Precipitation

96 %

Air Quality in Pittsburgh

NOW
32 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.14 µg/m³
PM10 1.36 µg/m³
O3 0.035 ppm
NO2 2.3 ppb
SO2 1 ppb
CO 0.14 ppm
NH3 0.14 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 1.14 µg/m³
PM10 – 1.36 µg/m³
O3 – 67.82 µg/m³
NO2 – 4.39 µg/m³
SO2 – 2.49 µg/m³
CO – 161.28 µg/m³
NH3 – 0.14 µg/m³
NO – 0 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Pittsburgh

Moderate Expected Likely

Winter Weather Advisory

Winter Weather Advisory issued December 31 at 8:55PM EST until January 1 at 10:00AM EST by NWS Pittsburgh PA
Dec 31, 8:55 PM → Jan 1, 10:00 AM
WHAT: Snow. Additional snow accumulations between 1 and 4 inches.

WHERE: Portions of east central Ohio, northwest, southwest, and
western Pennsylvania, and northern and the northern panhandle of
West Virginia.

WHEN: Until 10 AM EST Thursday.

IMPACTS: Roads, and especially bridges and overpasses, will likely
become slick and hazardous. Plan on slippery road conditions. The
hazardous conditions will impact the Thursday morning commute.
+ Read More
Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. Please report snow or ice accumulations by calling 412-262-1988, posting to the NWS Pittsburgh Facebook page, or using X @NWSPittsburgh.
Updated: Dec 31, 9:25 PM Source: NWS Alert