Today | Weather | Sunday, December 14, 2025

Active Weather Warnings

Weather in Pittsburgh, Pennsylvania

08:21 AM

Now

16° F

Feels Like -2°

Precipitation 58 %

Wind 13 mph

UV Index (0 - 11+) 0

Humidity 83 %

Today

Day 18°

Night 12°

Precipitation 65 %

Wind 15 mph

UV Index (0 - 11+) 1

Pittsburgh Weather Forecast Updated

Last updated on December 14, 2025 at 7:14 AM

Weather Forecast History

Last Year's Weather on This Day (December 14, 2024)

Day

41°

Night

32°

Wind

8 mph

Precipitation

9 %

Air Quality in Pittsburgh

NOW

31 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 1.15 µg/m³

PM₁₀ 1.37 µg/m³

O₃ 0.034 ppm

NO₂ 2.4 ppb

SO₂ 0.7 ppb

CO 0.13 ppm

NH₃ 0.18 µg/m³

NO 0 µg/m³

PM_2.5 – 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)

PM_2.5 – 1.15 µg/m³

PM₁₀ – 1.37 µg/m³

O₃ – 66.28 µg/m³

NO₂ – 4.52 µg/m³

SO₂ – 1.87 µg/m³

CO – 151.23 µg/m³

NH₃ – 0.18 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Pittsburgh

Severe Expected Likely

Winter Storm Warning

Winter Storm Warning issued December 14 at 3:46AM EST until December 14 at 1:00PM EST by NWS Pittsburgh PA

Dec 14, 3:46 AM → Dec 14, 1:00 PM

WHAT: Heavy snow expected. Total snow accumulations between 6 and
8 inches. Winds gusting as high as 35 mph.

WHERE: Portions of southwest and Roads will be slick and
hazardous. Plan on slippery road conditions.western Pennsylvania
and northern and the northern panhandle of West Virginia.

WHEN: Until 1 PM EST this afternoon.

IMPACTS: Roads will likely be slick and hazardous. Travel could be
very difficult.

+ Read More

Please report snow accumulations by calling 412-262-1988, posting to the NWS Pittsburgh Facebook page, or using X @NWSPittsburgh.

Updated: Dec 14, 7:14 AM Source: NWS Alert

Moderate Expected Likely

Winter Weather Advisory

Winter Weather Advisory issued December 13 at 8:39AM EST until December 14 at 1:00PM EST by NWS Pittsburgh PA

Dec 13, 1:00 PM → Dec 14, 1:00 PM

WHAT: Snow expected. Total snow accumulations between 3 and 6
inches.

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

WHEN: From 1 PM this afternoon to 1 PM EST Sunday.

IMPACTS: Travel could be very difficult.

ADDITIONAL DETAILS: Snow bands may prompt some counties to be
upgraded to a Winter Storm Warning.

+ Read More

Please report snow or ice accumulations by calling 412-262-1988, posting to the NWS Pittsburgh Facebook page, or using X @NWSPittsburgh.

Updated: Dec 13, 10:41 AM Source: NWS Alert