Pittsburgh, PA Weather Tomorrow

Need tomorrow's weather for Pittsburgh? This 5 day forecast provides precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the Pittsburgh area and around Allegheny county, Pennsylvania.
Updated: Fri Sep 4th 2026 9:45 AM EDT
Pittsburgh, PA Weather – 9-4 – Heavy Rain At Times
81° / 69°
Heavy Rain At Times
Highs will reach 81°F with lows near 69°F in Pittsburgh, where rain showers are. The chance of rain is 88% with an estimated 39.97in. Winds will be light at 9mph and gusts of 17.7mph at 3 PM. High humidity with average of 87% is anticipated, the maximum being 96% at 10 PM and 67% being its lowest at 1 PM. Barometric pressure is its highest of 29.97inHg at 10 AM, a lowest point of 29.85inHg at 6 PM with an avg 29.91inHg.
Pittsburgh, PA Weather – 9-5 – Sunny
73° / 62°

Weather Tomorrow

Sunny
Pittsburgh could see a sunny day with daytime highs of 73°F and nighttime lows near 62°F. There might be light rainfall having a 15% chance. Winds will be light at 7mph and gusts of 20.8mph at 9 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 98% at 2 AM and 56% being its lowest at 3 PM. Barometric pressure is its highest of 29.98inHg at 11 PM, a lowest point of 29.89inHg at 7 PM with an avg 29.93inHg.
Pittsburgh, PA Weather – 9-6 – Sunny
75° / 58°
Sunny
In Pittsburgh, a sunny day is likely with a high near 75°F and a low around 58°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 9mph and gusts of 25.9mph at 11 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 88% at 7 AM and 43% being its lowest at 4 PM. Barometric pressure is its highest of 30.09inHg at 11 PM, a lowest point of 29.99inHg at 12 AM with an avg 30.03inHg.
Pittsburgh, PA Weather – 9-7 – Sunny
78° / 59°
Sunny
It will be sunny in Pittsburgh, with a high of 78°F and a low of 59°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 7mph and gusts of 22.9mph at 12 AM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 79% at 7 AM and 33% being its lowest at 4 PM. Barometric pressure is its highest of 30.2inHg at 9 AM, a lowest point of 30.11inHg at 12 AM with an avg 30.15inHg.
Pittsburgh, PA Weather – 9-8 – Overcast
78° / 60°
Overcast
Pittsburgh could see overcast with daytime highs of 78°F and nighttime lows near 60°F. There might be light rainfall having a 16% chance. Winds will be light at 6mph and gusts of 10.1mph at 1 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 91% at 11 PM and 50% being its lowest at 1 PM. Barometric pressure is its highest of 30.22inHg at 10 AM, a lowest point of 30.11inHg at 6 PM with an avg 30.16inHg.
Pittsburgh, PA Weather – 9-9 – Sunny
79° / 67°
Sunny
It will be sunny in Pittsburgh, with a high of 79°F and a low of 67°F. The chance of rain is 76% with an estimated 0.12in. Winds will be light at 9mph and gusts of 22.2mph at 5 PM. High humidity with average of 88% is anticipated, the maximum being 97% at 5 AM and 73% being its lowest at 2 PM. Barometric pressure is its highest of 30.14inHg at 12 AM, a lowest point of 29.99inHg at 8 PM with an avg 30.09inHg.

Currently

Heavy Rain At Times 73°F
29.98 inHg.
Barometer
91%
Humidity
SW 4.3 mph
Wind
Heavy Rain At Times

5 Day Forecast Nearby

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