Tarentum, PA Weather Forecast for 5-Days

Updated: Mon May 18th 2026 11:45 AM EDT

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Tarentum, PA Weather – 5-18 – Sunny
93° / 60°
Sunny
Daytime highs will reach 93°F with lows dropping to 60°F in Tarentum, where bright and sunny conditions. Wind will be moderate, blowing around 11mph on average and gusts of 14.6mph at 11 PM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 51% at 11 PM and 36% being its lowest at 5 PM. Barometric pressure is its highest of 30.14inHg at 12 PM, a lowest point of 30.04inHg at 5 PM with an avg 30.08inHg.
Tarentum, PA Weather – 5-19 – Moderate Rain
86° / 59°

Weather Tomorrow

Moderate Rain
In Tarentum, rain showers are likely with a high near 86°F and a low around 59°F. The chance of rain is 86% with an estimated 0.2in. Wind will be moderate, blowing around 11mph on average and gusts of 14.7mph at 6 PM. High humidity with average of 84% is anticipated, the maximum being 97% at 3 AM and 51% being its lowest at 5 PM. Barometric pressure is its highest of 30.17inHg at 9 AM, a lowest point of 30.01inHg at 7 PM with an avg 30.1inHg.
Tarentum, PA Weather – 5-20 – Scattered Showers
73° / 52°
Scattered Showers
In Tarentum, showers likely at times with highs near 73°F and lows around 52°F. The chance of rain is 88% with an estimated 0.02in. Wind will be moderate, blowing around 12mph on average and gusts of 13.1mph at 2 PM. High humidity with average of 85% is anticipated, the maximum being 99% at 5 AM and 71% being its lowest at 11 AM. Barometric pressure is its highest of 30.23inHg at 11 PM, a lowest point of 30.03inHg at 12 AM with an avg 30.1inHg.
Tarentum, PA Weather – 5-21 – Partly Cloudy
59° / 49°
Partly Cloudy
It will be cloudy in Tarentum, with a high of 59°F and a low of 49°F. Winds will be light at 10mph and gusts of 12.1mph at 10 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 78% at 1 AM and 56% being its lowest at 4 PM. Barometric pressure is its highest of 30.26inHg at 12 PM, a lowest point of 30.21inHg at 5 PM with an avg 30.24inHg.
Tarentum, PA Weather – 5-22 – Moderate Rain
65° / 50°
Moderate Rain
Tarentum could see rain with daytime highs of 65°F and nighttime lows near 50°F. The chance of rain is 83% with an estimated 0.24in. Wind will be moderate, blowing around 13mph on average and gusts of 16.3mph at 11 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 98% at 8 PM and 63% being its lowest at 1 AM. Barometric pressure is its highest of 30.24inHg at 12 AM, a lowest point of 30.17inHg at 11 PM with an avg 30.2inHg.
Tarentum, PA Weather – 5-23 – Moderate Rain
54° / 51°
Moderate Rain
Tarentum is set for rain with temperatures peaking at 54°F and dipping to 51°F. The chance of rain is 84% with an estimated 0.38in. Wind will be moderate, blowing around 11mph on average and gusts of 15.4mph at 12 AM. High humidity with average of 98% is anticipated, the maximum being 99% at 9 PM and 98% being its lowest at 8 PM. Barometric pressure is its highest of 30.17inHg at 11 PM, a lowest point of 30.12inHg at 5 AM with an avg 30.14inHg.

Currently

Sunny 82°F
30.19 inHg.
Barometer
55%
Humidity
SW 14 mph
Wind
Sunny

5 Day Forecast Nearby

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